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-rw-r--r--src/parser_xml.c1816
1 files changed, 1816 insertions, 0 deletions
diff --git a/src/parser_xml.c b/src/parser_xml.c
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index 0000000..5a929da
--- /dev/null
+++ b/src/parser_xml.c
@@ -0,0 +1,1816 @@
+/**
+ * @file parser_xml.c
+ * @author Radek Krejci <rkrejci@cesnet.cz>
+ * @author Michal Vasko <mvasko@cesnet.cz>
+ * @brief XML data parser for libyang
+ *
+ * Copyright (c) 2019 - 2022 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ */
+
+#define _GNU_SOURCE
+
+#include <assert.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "compat.h"
+#include "context.h"
+#include "dict.h"
+#include "in_internal.h"
+#include "log.h"
+#include "parser_data.h"
+#include "parser_internal.h"
+#include "plugins_exts.h"
+#include "plugins_internal.h"
+#include "schema_compile_node.h"
+#include "set.h"
+#include "tree.h"
+#include "tree_data.h"
+#include "tree_data_internal.h"
+#include "tree_schema.h"
+#include "tree_schema_internal.h"
+#include "validation.h"
+#include "xml.h"
+
+void
+lyd_xml_ctx_free(struct lyd_ctx *lydctx)
+{
+ struct lyd_xml_ctx *ctx = (struct lyd_xml_ctx *)lydctx;
+
+ lyd_ctx_free(lydctx);
+ lyxml_ctx_free(ctx->xmlctx);
+ free(ctx);
+}
+
+/**
+ * @brief Parse and create XML metadata.
+ *
+ * @param[in] lydctx XML data parser context.
+ * @param[in] sparent Schema node of the parent.
+ * @param[out] meta List of created metadata instances.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lydxml_metadata(struct lyd_xml_ctx *lydctx, const struct lysc_node *sparent, struct lyd_meta **meta)
+{
+ LY_ERR ret = LY_SUCCESS;
+ const struct lyxml_ns *ns;
+ struct lys_module *mod;
+ const char *name;
+ size_t name_len;
+ LY_ARRAY_COUNT_TYPE u;
+ ly_bool filter_attrs = 0;
+ struct lyxml_ctx *xmlctx = lydctx->xmlctx;
+
+ *meta = NULL;
+
+ /* check for NETCONF filter unqualified attributes */
+ if (!strcmp(sparent->module->name, "notifications")) {
+ /* ancient module that does not even use the extension */
+ filter_attrs = 1;
+ } else {
+ LY_ARRAY_FOR(sparent->exts, u) {
+ if (!strcmp(sparent->exts[u].def->name, "get-filter-element-attributes") &&
+ !strcmp(sparent->exts[u].def->module->name, "ietf-netconf")) {
+ filter_attrs = 1;
+ break;
+ }
+ }
+ }
+
+ while (xmlctx->status == LYXML_ATTRIBUTE) {
+ if (!xmlctx->prefix_len) {
+ /* in XML all attributes must be prefixed except NETCONF filter ones marked by an extension */
+ if (filter_attrs && (!ly_strncmp("type", xmlctx->name, xmlctx->name_len) ||
+ !ly_strncmp("select", xmlctx->name, xmlctx->name_len))) {
+ mod = ly_ctx_get_module_implemented(xmlctx->ctx, "ietf-netconf");
+ if (!mod) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE,
+ "Missing (or not implemented) YANG module \"ietf-netconf\" for special filter attributes.");
+ ret = LY_ENOTFOUND;
+ goto cleanup;
+ }
+ goto create_meta;
+ }
+
+ if (lydctx->parse_opts & LYD_PARSE_STRICT) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE, "Missing mandatory prefix for XML metadata \"%.*s\".",
+ (int)xmlctx->name_len, xmlctx->name);
+ ret = LY_EVALID;
+ goto cleanup;
+ }
+
+ /* skip attr */
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ assert(xmlctx->status == LYXML_ATTR_CONTENT);
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ continue;
+ }
+
+ /* get namespace of the attribute to find its annotation definition */
+ ns = lyxml_ns_get(&xmlctx->ns, xmlctx->prefix, xmlctx->prefix_len);
+ if (!ns) {
+ /* unknown namespace, XML error */
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE, "Unknown XML prefix \"%.*s\".", (int)xmlctx->prefix_len, xmlctx->prefix);
+ ret = LY_ENOTFOUND;
+ goto cleanup;
+ }
+
+ /* get the module with metadata definition */
+ mod = ly_ctx_get_module_implemented_ns(xmlctx->ctx, ns->uri);
+ if (!mod) {
+ if (lydctx->parse_opts & LYD_PARSE_STRICT) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE,
+ "Unknown (or not implemented) YANG module with namespace \"%s\" for metadata \"%.*s%s%.*s\".",
+ ns->uri, (int)xmlctx->prefix_len, xmlctx->prefix, xmlctx->prefix_len ? ":" : "",
+ (int)xmlctx->name_len, xmlctx->name);
+ ret = LY_ENOTFOUND;
+ goto cleanup;
+ }
+
+ /* skip attr */
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ assert(xmlctx->status == LYXML_ATTR_CONTENT);
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ continue;
+ }
+
+create_meta:
+ /* remember meta name and get its content */
+ name = xmlctx->name;
+ name_len = xmlctx->name_len;
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ assert(xmlctx->status == LYXML_ATTR_CONTENT);
+
+ /* create metadata */
+ ret = lyd_parser_create_meta((struct lyd_ctx *)lydctx, NULL, meta, mod, name, name_len, xmlctx->value,
+ xmlctx->value_len, &xmlctx->dynamic, LY_VALUE_XML, &xmlctx->ns, LYD_HINT_DATA, sparent);
+ LY_CHECK_GOTO(ret, cleanup);
+
+ /* next attribute */
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ }
+
+cleanup:
+ if (ret) {
+ lyd_free_meta_siblings(*meta);
+ *meta = NULL;
+ }
+ return ret;
+}
+
+static LY_ERR
+lydxml_attrs(struct lyxml_ctx *xmlctx, struct lyd_attr **attr)
+{
+ LY_ERR ret = LY_SUCCESS;
+ const struct lyxml_ns *ns;
+ void *val_prefix_data;
+ LY_VALUE_FORMAT format;
+ struct lyd_attr *attr2;
+ const char *name, *prefix;
+ size_t name_len, prefix_len;
+
+ assert(attr);
+ *attr = NULL;
+
+ while (xmlctx->status == LYXML_ATTRIBUTE) {
+ if (*attr) {
+ attr2 = *attr;
+ } else {
+ attr2 = NULL;
+ }
+
+ /* remember attr prefix, name, and get its content */
+ prefix = xmlctx->prefix;
+ prefix_len = xmlctx->prefix_len;
+ name = xmlctx->name;
+ name_len = xmlctx->name_len;
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ assert(xmlctx->status == LYXML_ATTR_CONTENT);
+
+ /* handle special "xml" attribute prefix */
+ if ((prefix_len == 3) && !strncmp(prefix, "xml", 3)) {
+ name = prefix;
+ name_len += 1 + prefix_len;
+ prefix = NULL;
+ prefix_len = 0;
+ }
+
+ /* find namespace of the attribute, if any */
+ ns = NULL;
+ if (prefix_len) {
+ ns = lyxml_ns_get(&xmlctx->ns, prefix, prefix_len);
+ if (!ns) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE, "Unknown XML prefix \"%.*s\".", (int)prefix_len, prefix);
+ ret = LY_EVALID;
+ goto cleanup;
+ }
+ }
+
+ /* get value prefixes */
+ val_prefix_data = NULL;
+ LY_CHECK_GOTO(ret = ly_store_prefix_data(xmlctx->ctx, xmlctx->value, xmlctx->value_len, LY_VALUE_XML,
+ &xmlctx->ns, &format, &val_prefix_data), cleanup);
+
+ /* attr2 is always changed to the created attribute */
+ ret = lyd_create_attr(NULL, &attr2, xmlctx->ctx, name, name_len, prefix, prefix_len, ns ? ns->uri : NULL,
+ ns ? strlen(ns->uri) : 0, xmlctx->value, xmlctx->value_len, &xmlctx->dynamic, format, val_prefix_data,
+ LYD_HINT_DATA);
+ LY_CHECK_GOTO(ret, cleanup);
+
+ if (!*attr) {
+ *attr = attr2;
+ }
+
+ /* next attribute */
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ }
+
+cleanup:
+ if (ret) {
+ lyd_free_attr_siblings(xmlctx->ctx, *attr);
+ *attr = NULL;
+ }
+ return ret;
+}
+
+static LY_ERR
+lydxml_check_list(struct lyxml_ctx *xmlctx, const struct lysc_node *list)
+{
+ LY_ERR ret = LY_SUCCESS, r;
+ enum LYXML_PARSER_STATUS next;
+ struct ly_set key_set = {0};
+ const struct lysc_node *snode;
+ uint32_t i, parents_count;
+
+ assert(list && (list->nodetype == LYS_LIST));
+
+ /* get all keys into a set (keys do not have if-features or anything) */
+ snode = NULL;
+ while ((snode = lys_getnext(snode, list, NULL, 0)) && (snode->flags & LYS_KEY)) {
+ ret = ly_set_add(&key_set, (void *)snode, 1, NULL);
+ LY_CHECK_GOTO(ret, cleanup);
+ }
+
+ /* remember parent count */
+ parents_count = xmlctx->elements.count;
+
+ while (xmlctx->status == LYXML_ELEMENT) {
+ /* find key definition */
+ for (i = 0; i < key_set.count; ++i) {
+ snode = (const struct lysc_node *)key_set.objs[i];
+ if (!ly_strncmp(snode->name, xmlctx->name, xmlctx->name_len)) {
+ break;
+ }
+ }
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+
+ /* skip attributes */
+ while (xmlctx->status == LYXML_ATTRIBUTE) {
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ assert(xmlctx->status == LYXML_ATTR_CONTENT);
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ }
+
+ assert(xmlctx->status == LYXML_ELEM_CONTENT);
+ if (i < key_set.count) {
+ /* validate the value */
+ r = lys_value_validate(NULL, snode, xmlctx->value, xmlctx->value_len, LY_VALUE_XML, &xmlctx->ns);
+ if (!r) {
+ /* key with a valid value, remove from the set */
+ ly_set_rm_index(&key_set, i, NULL);
+ }
+ }
+
+ /* parser next */
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+
+ /* skip any children, resursively */
+ while (xmlctx->status == LYXML_ELEMENT) {
+ while (parents_count < xmlctx->elements.count) {
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ }
+ assert(xmlctx->status == LYXML_ELEM_CLOSE);
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ }
+
+ /* parser next, but do not parse closing element of the list because it would remove its namespaces */
+ assert(xmlctx->status == LYXML_ELEM_CLOSE);
+ LY_CHECK_GOTO(ret = lyxml_ctx_peek(xmlctx, &next), cleanup);
+ if (next != LYXML_ELEM_CLOSE) {
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), cleanup);
+ }
+ }
+
+ if (key_set.count) {
+ /* some keys are missing/did not validate */
+ ret = LY_ENOT;
+ }
+
+cleanup:
+ ly_set_erase(&key_set, NULL);
+ return ret;
+}
+
+/**
+ * @brief Skip an element with all its descendants.
+ *
+ * @param[in] xmlctx XML parser context.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lydxml_data_skip(struct lyxml_ctx *xmlctx)
+{
+ uint32_t parents_count;
+
+ /* remember current number of parents */
+ parents_count = xmlctx->elements.count;
+ assert(parents_count);
+
+ /* skip after the content */
+ while (xmlctx->status != LYXML_ELEM_CONTENT) {
+ LY_CHECK_RET(lyxml_ctx_next(xmlctx));
+ }
+ LY_CHECK_RET(lyxml_ctx_next(xmlctx));
+
+ /* skip all children elements, recursively, if any */
+ while (parents_count <= xmlctx->elements.count) {
+ LY_CHECK_RET(lyxml_ctx_next(xmlctx));
+ }
+
+ /* close element */
+ assert(xmlctx->status == LYXML_ELEM_CLOSE);
+ LY_CHECK_RET(lyxml_ctx_next(xmlctx));
+
+ return LY_SUCCESS;
+}
+
+/**
+ * @brief Check that the current element can be parsed as a data node.
+ *
+ * @param[in] lydctx XML data parser context.
+ * @param[in,out] snode Found schema node, set to NULL if data node cannot be created.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lydxml_data_check_opaq(struct lyd_xml_ctx *lydctx, const struct lysc_node **snode)
+{
+ LY_ERR ret = LY_SUCCESS;
+ struct lyxml_ctx *xmlctx = lydctx->xmlctx, pxmlctx;
+
+ if (!(lydctx->parse_opts & LYD_PARSE_OPAQ)) {
+ /* only checks specific to opaque nodes */
+ return LY_SUCCESS;
+ }
+
+ if (!((*snode)->nodetype & (LYD_NODE_TERM | LYD_NODE_INNER))) {
+ /* nothing to check */
+ return LY_SUCCESS;
+ }
+
+ assert(xmlctx->elements.count);
+
+ /* backup parser */
+ LY_CHECK_RET(lyxml_ctx_backup(xmlctx, &pxmlctx));
+
+ /* skip attributes */
+ while (xmlctx->status == LYXML_ATTRIBUTE) {
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), restore);
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), restore);
+ }
+
+ if ((*snode)->nodetype & LYD_NODE_TERM) {
+ /* value may not be valid in which case we parse it as an opaque node */
+ if (lys_value_validate(NULL, *snode, xmlctx->value, xmlctx->value_len, LY_VALUE_XML, &xmlctx->ns)) {
+ LOGVRB("Parsing opaque term node \"%s\" with invalid value \"%.*s\".", (*snode)->name, xmlctx->value_len,
+ xmlctx->value);
+ *snode = NULL;
+ }
+ } else if ((*snode)->nodetype == LYS_LIST) {
+ /* skip content */
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), restore);
+
+ if (lydxml_check_list(xmlctx, *snode)) {
+ /* invalid list, parse as opaque if it missing/has invalid some keys */
+ LOGVRB("Parsing opaque list node \"%s\" with missing/invalid keys.", (*snode)->name);
+ *snode = NULL;
+ }
+ } else {
+ /* if there is a non-WS value, it cannot be parsed as an inner node */
+ assert(xmlctx->status == LYXML_ELEM_CONTENT);
+ if (!xmlctx->ws_only) {
+ *snode = NULL;
+ }
+ }
+
+restore:
+ /* restore parser */
+ lyxml_ctx_restore(xmlctx, &pxmlctx);
+ return ret;
+}
+
+/**
+ * @brief Get sensible data hints for an opaque node.
+ *
+ * @param[in] name Node name.
+ * @param[in] name_len Length of @p name.
+ * @param[in] value Node value.
+ * @param[in] value_len Length of @p value.
+ * @param[in] first Node first sibling.
+ * @param[in] ns Node module namespace, NULL for no namespace.
+ * @param[out] hints Data hints to use.
+ * @param[out] anchor Anchor to insert after in case of a list.
+ */
+static void
+lydxml_get_hints_opaq(const char *name, size_t name_len, const char *value, size_t value_len, struct lyd_node *first,
+ const char *ns, uint32_t *hints, struct lyd_node **anchor)
+{
+ struct lyd_node_opaq *opaq;
+ char *ptr;
+ long num;
+
+ *hints = 0;
+ *anchor = NULL;
+
+ if (!value_len) {
+ /* no value */
+ *hints |= LYD_VALHINT_EMPTY;
+ } else if (!strncmp(value, "true", value_len) || !strncmp(value, "false", value_len)) {
+ /* boolean value */
+ *hints |= LYD_VALHINT_BOOLEAN;
+ } else {
+ num = strtol(value, &ptr, 10);
+ if ((unsigned)(ptr - value) == value_len) {
+ /* number value */
+ *hints |= LYD_VALHINT_DECNUM;
+ if ((num < INT32_MIN) || (num > UINT32_MAX)) {
+ /* large number */
+ *hints |= LYD_VALHINT_NUM64;
+ }
+ } else {
+ /* string value */
+ *hints |= LYD_VALHINT_STRING;
+ }
+ }
+
+ if (!first) {
+ return;
+ }
+
+ /* search backwards to find the last instance */
+ do {
+ first = first->prev;
+ if (first->schema) {
+ continue;
+ }
+
+ opaq = (struct lyd_node_opaq *)first;
+ assert(opaq->format == LY_VALUE_XML);
+ if (!ly_strncmp(opaq->name.name, name, name_len) &&
+ ((ns && !strcmp(opaq->name.module_ns, ns)) || (!ns && !opaq->name.module_ns))) {
+ if (opaq->value && opaq->value[0]) {
+ /* leaf-list nodes */
+ opaq->hints |= LYD_NODEHINT_LEAFLIST;
+ *hints |= LYD_NODEHINT_LEAFLIST;
+ } else {
+ /* list nodes */
+ opaq->hints |= LYD_NODEHINT_LIST;
+ *hints |= LYD_NODEHINT_LIST;
+ }
+ *anchor = first;
+ break;
+ }
+ } while (first->prev->next);
+}
+
+/**
+ * @brief Get schema node for the current element.
+ *
+ * @param[in] lydctx XML data parser context.
+ * @param[in] parent Parsed parent data node, if any.
+ * @param[in] prefix Element prefix, if any.
+ * @param[in] prefix_len Length of @p prefix.
+ * @param[in] name Element name.
+ * @param[in] name_len Length of @p name.
+ * @param[out] snode Found schema node, NULL if no suitable was found.
+ * @param[out] ext Extension instance that provided @p snode, if any.
+ * @return LY_SUCCESS on success;
+ * @return LY_ERR on error.
+ */
+static LY_ERR
+lydxml_subtree_snode(struct lyd_xml_ctx *lydctx, const struct lyd_node *parent, const char *prefix, size_t prefix_len,
+ const char *name, size_t name_len, const struct lysc_node **snode, struct lysc_ext_instance **ext)
+{
+ LY_ERR r;
+ struct lyxml_ctx *xmlctx;
+ const struct ly_ctx *ctx;
+ const struct lyxml_ns *ns;
+ struct lys_module *mod;
+ uint32_t getnext_opts;
+
+ xmlctx = lydctx->xmlctx;
+ ctx = xmlctx->ctx;
+ getnext_opts = lydctx->int_opts & LYD_INTOPT_REPLY ? LYS_GETNEXT_OUTPUT : 0;
+
+ *snode = NULL;
+ *ext = NULL;
+
+ /* get current namespace */
+ ns = lyxml_ns_get(&xmlctx->ns, prefix, prefix_len);
+ if (!ns) {
+ if (lydctx->int_opts & LYD_INTOPT_ANY) {
+ goto unknown_module;
+ }
+
+ if (prefix_len) {
+ LOGVAL(ctx, LYVE_REFERENCE, "Unknown XML prefix \"%.*s\".", (int)prefix_len, prefix);
+ } else {
+ LOGVAL(ctx, LYVE_REFERENCE, "Missing XML namespace.");
+ }
+ return LY_EVALID;
+ }
+
+ /* get the element module, use parent context if possible because of extensions */
+ mod = ly_ctx_get_module_implemented_ns(parent ? LYD_CTX(parent) : ctx, ns->uri);
+ if (!mod) {
+ /* check for extension data */
+ r = ly_nested_ext_schema(parent, NULL, prefix, prefix_len, LY_VALUE_XML, &lydctx->xmlctx->ns, name, name_len,
+ snode, ext);
+ if (r != LY_ENOT) {
+ /* success or error */
+ return r;
+ }
+
+unknown_module:
+ if (lydctx->parse_opts & LYD_PARSE_STRICT) {
+ LOGVAL(ctx, LYVE_REFERENCE, "No module with namespace \"%s\" in the context.", ns->uri);
+ return LY_EVALID;
+ }
+ return LY_SUCCESS;
+ }
+
+ /* get the schema node */
+ if (mod) {
+ if (!parent && lydctx->ext) {
+ *snode = lysc_ext_find_node(lydctx->ext, mod, name, name_len, 0, getnext_opts);
+ } else {
+ *snode = lys_find_child(parent ? parent->schema : NULL, mod, name, name_len, 0, getnext_opts);
+ }
+ if (!*snode) {
+ /* check for extension data */
+ r = ly_nested_ext_schema(parent, NULL, prefix, prefix_len, LY_VALUE_XML, &lydctx->xmlctx->ns, name,
+ name_len, snode, ext);
+ if (r != LY_ENOT) {
+ /* success or error */
+ return r;
+ }
+
+ /* unknown data node */
+ if (lydctx->parse_opts & LYD_PARSE_STRICT) {
+ if (parent) {
+ LOGVAL(ctx, LYVE_REFERENCE, "Node \"%.*s\" not found as a child of \"%s\" node.",
+ (int)name_len, name, LYD_NAME(parent));
+ } else if (lydctx->ext) {
+ if (lydctx->ext->argument) {
+ LOGVAL(ctx, LYVE_REFERENCE, "Node \"%.*s\" not found in the \"%s\" %s extension instance.",
+ (int)name_len, name, lydctx->ext->argument, lydctx->ext->def->name);
+ } else {
+ LOGVAL(ctx, LYVE_REFERENCE, "Node \"%.*s\" not found in the %s extension instance.",
+ (int)name_len, name, lydctx->ext->def->name);
+ }
+ } else {
+ LOGVAL(ctx, LYVE_REFERENCE, "Node \"%.*s\" not found in the \"%s\" module.",
+ (int)name_len, name, mod->name);
+ }
+ return LY_EVALID;
+ }
+ return LY_SUCCESS;
+ } else {
+ /* check that schema node is valid and can be used */
+ LY_CHECK_RET(lyd_parser_check_schema((struct lyd_ctx *)lydctx, *snode));
+ LY_CHECK_RET(lydxml_data_check_opaq(lydctx, snode));
+ }
+ }
+
+ return LY_SUCCESS;
+}
+
+/**
+ * @brief Parse XML subtree.
+ *
+ * @param[in] lydctx XML YANG data parser context.
+ * @param[in,out] parent Parent node where the children are inserted. NULL in case of parsing top-level elements.
+ * @param[in,out] first_p Pointer to the first (@p parent or top-level) child. In case there were already some siblings,
+ * this may point to a previously existing node.
+ * @param[in,out] parsed Optional set to add all the parsed siblings into.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lydxml_subtree_r(struct lyd_xml_ctx *lydctx, struct lyd_node *parent, struct lyd_node **first_p, struct ly_set *parsed)
+{
+ LY_ERR ret = LY_SUCCESS;
+ const char *prefix, *name, *ns_uri;
+ size_t prefix_len, name_len;
+ struct lyxml_ctx *xmlctx;
+ const struct ly_ctx *ctx;
+ const struct lyxml_ns *ns;
+ struct lyd_meta *meta = NULL;
+ struct lyd_attr *attr = NULL;
+ const struct lysc_node *snode;
+ struct lysc_ext_instance *ext;
+ uint32_t prev_parse_opts, orig_parse_opts, prev_int_opts, hints;
+ struct lyd_node *node = NULL, *anchor, *insert_anchor = NULL;
+ void *val_prefix_data = NULL;
+ LY_VALUE_FORMAT format;
+ ly_bool parse_subtree;
+ char *val;
+
+ assert(parent || first_p);
+
+ xmlctx = lydctx->xmlctx;
+ ctx = xmlctx->ctx;
+
+ parse_subtree = lydctx->parse_opts & LYD_PARSE_SUBTREE ? 1 : 0;
+ /* all descendants should be parsed */
+ lydctx->parse_opts &= ~LYD_PARSE_SUBTREE;
+ orig_parse_opts = lydctx->parse_opts;
+
+ assert(xmlctx->status == LYXML_ELEMENT);
+
+ /* remember element prefix and name */
+ prefix = xmlctx->prefix;
+ prefix_len = xmlctx->prefix_len;
+ name = xmlctx->name;
+ name_len = xmlctx->name_len;
+
+ /* parser next */
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), error);
+
+ /* get the schema node */
+ LY_CHECK_GOTO(ret = lydxml_subtree_snode(lydctx, parent, prefix, prefix_len, name, name_len, &snode, &ext), error);
+
+ if (!snode && !(lydctx->parse_opts & LYD_PARSE_OPAQ)) {
+ LOGVRB("Skipping parsing of unknown node \"%.*s\".", name_len, name);
+
+ /* skip element with children */
+ LY_CHECK_GOTO(ret = lydxml_data_skip(xmlctx), error);
+ return LY_SUCCESS;
+ }
+
+ /* create metadata/attributes */
+ if (xmlctx->status == LYXML_ATTRIBUTE) {
+ if (snode) {
+ ret = lydxml_metadata(lydctx, snode, &meta);
+ LY_CHECK_GOTO(ret, error);
+ } else {
+ assert(lydctx->parse_opts & LYD_PARSE_OPAQ);
+ ret = lydxml_attrs(xmlctx, &attr);
+ LY_CHECK_GOTO(ret, error);
+ }
+ }
+
+ assert(xmlctx->status == LYXML_ELEM_CONTENT);
+ if (!snode) {
+ assert(lydctx->parse_opts & LYD_PARSE_OPAQ);
+
+ if (xmlctx->ws_only) {
+ /* ignore WS-only value */
+ if (xmlctx->dynamic) {
+ free((char *)xmlctx->value);
+ }
+ xmlctx->dynamic = 0;
+ xmlctx->value = "";
+ xmlctx->value_len = 0;
+ format = LY_VALUE_XML;
+ } else {
+ /* get value prefixes */
+ ret = ly_store_prefix_data(xmlctx->ctx, xmlctx->value, xmlctx->value_len, LY_VALUE_XML,
+ &xmlctx->ns, &format, &val_prefix_data);
+ LY_CHECK_GOTO(ret, error);
+ }
+
+ /* get NS again, it may have been backed up and restored */
+ ns = lyxml_ns_get(&xmlctx->ns, prefix, prefix_len);
+ ns_uri = ns ? ns->uri : NULL;
+
+ /* get best-effort node hints */
+ lydxml_get_hints_opaq(name, name_len, xmlctx->value, xmlctx->value_len, parent ? lyd_child(parent) : *first_p,
+ ns_uri, &hints, &insert_anchor);
+
+ /* create node */
+ ret = lyd_create_opaq(ctx, name, name_len, prefix, prefix_len, ns_uri, ns_uri ? strlen(ns_uri) : 0,
+ xmlctx->value, xmlctx->value_len, &xmlctx->dynamic, format, val_prefix_data, hints, &node);
+ LY_CHECK_GOTO(ret, error);
+
+ /* parser next */
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), error);
+
+ /* process children */
+ while (xmlctx->status == LYXML_ELEMENT) {
+ ret = lydxml_subtree_r(lydctx, node, lyd_node_child_p(node), NULL);
+ LY_CHECK_GOTO(ret, error);
+ }
+ } else if (snode->nodetype & LYD_NODE_TERM) {
+ /* create node */
+ LY_CHECK_GOTO(ret = lyd_parser_create_term((struct lyd_ctx *)lydctx, snode, xmlctx->value, xmlctx->value_len,
+ &xmlctx->dynamic, LY_VALUE_XML, &xmlctx->ns, LYD_HINT_DATA, &node), error);
+ LOG_LOCSET(snode, node, NULL, NULL);
+
+ if (parent && (node->schema->flags & LYS_KEY)) {
+ /* check the key order, the anchor must never be a key */
+ anchor = lyd_insert_get_next_anchor(lyd_child(parent), node);
+ if (anchor && anchor->schema && (anchor->schema->flags & LYS_KEY)) {
+ if (lydctx->parse_opts & LYD_PARSE_STRICT) {
+ LOGVAL(ctx, LYVE_DATA, "Invalid position of the key \"%s\" in a list.", node->schema->name);
+ ret = LY_EVALID;
+ goto error;
+ } else {
+ LOGWRN(ctx, "Invalid position of the key \"%s\" in a list.", node->schema->name);
+ }
+ }
+ }
+
+ /* parser next */
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), error);
+
+ /* no children expected */
+ if (xmlctx->status == LYXML_ELEMENT) {
+ LOGVAL(ctx, LYVE_SYNTAX, "Child element \"%.*s\" inside a terminal node \"%s\" found.",
+ (int)xmlctx->name_len, xmlctx->name, snode->name);
+ ret = LY_EVALID;
+ goto error;
+ }
+ } else if (snode->nodetype & LYD_NODE_INNER) {
+ if (!xmlctx->ws_only) {
+ /* value in inner node */
+ LOGVAL(ctx, LYVE_SYNTAX, "Text value \"%.*s\" inside an inner node \"%s\" found.",
+ (int)xmlctx->value_len, xmlctx->value, snode->name);
+ ret = LY_EVALID;
+ goto error;
+ }
+
+ /* create node */
+ ret = lyd_create_inner(snode, &node);
+ LY_CHECK_GOTO(ret, error);
+
+ LOG_LOCSET(snode, node, NULL, NULL);
+
+ /* parser next */
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), error);
+
+ prev_parse_opts = lydctx->parse_opts;
+ if (ext) {
+ /* only parse these extension data and validate afterwards */
+ lydctx->parse_opts |= LYD_PARSE_ONLY;
+ }
+
+ /* process children */
+ while (xmlctx->status == LYXML_ELEMENT) {
+ ret = lydxml_subtree_r(lydctx, node, lyd_node_child_p(node), NULL);
+ LY_CHECK_GOTO(ret, error);
+ }
+
+ /* restore options */
+ lydctx->parse_opts = prev_parse_opts;
+
+ if (snode->nodetype == LYS_LIST) {
+ /* check all keys exist */
+ LY_CHECK_GOTO(ret = lyd_parse_check_keys(node), error);
+ }
+
+ if (!(lydctx->parse_opts & LYD_PARSE_ONLY)) {
+ /* new node validation, autodelete CANNOT occur, all nodes are new */
+ ret = lyd_validate_new(lyd_node_child_p(node), snode, NULL, NULL);
+ LY_CHECK_GOTO(ret, error);
+
+ /* add any missing default children */
+ ret = lyd_new_implicit_r(node, lyd_node_child_p(node), NULL, NULL, &lydctx->node_when, &lydctx->node_types,
+ &lydctx->ext_node, (lydctx->val_opts & LYD_VALIDATE_NO_STATE) ? LYD_IMPLICIT_NO_STATE : 0, NULL);
+ LY_CHECK_GOTO(ret, error);
+ }
+
+ if (snode->nodetype & (LYS_RPC | LYS_ACTION | LYS_NOTIF)) {
+ /* rememeber the RPC/action/notification */
+ lydctx->op_node = node;
+ }
+ } else if (snode->nodetype & LYD_NODE_ANY) {
+ if ((snode->nodetype == LYS_ANYDATA) && !xmlctx->ws_only) {
+ /* value in anydata node, we expect a tree */
+ LOGVAL(ctx, LYVE_SYNTAX, "Text value \"%.*s\" inside an anydata node \"%s\" found.",
+ (int)xmlctx->value_len < 20 ? xmlctx->value_len : 20, xmlctx->value, snode->name);
+ ret = LY_EVALID;
+ goto error;
+ }
+
+ if (!xmlctx->ws_only) {
+ /* use an arbitrary text value for anyxml */
+ val = strndup(xmlctx->value, xmlctx->value_len);
+ LY_CHECK_ERR_GOTO(!val, LOGMEM(xmlctx->ctx); ret = LY_EMEM, error);
+
+ /* parser next */
+ LY_CHECK_ERR_GOTO(ret = lyxml_ctx_next(xmlctx), free(val), error);
+
+ /* create node */
+ ret = lyd_create_any(snode, val, LYD_ANYDATA_STRING, 1, &node);
+ LY_CHECK_ERR_GOTO(ret, free(val), error);
+ } else {
+ /* parser next */
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), error);
+
+ /* update options so that generic data can be parsed */
+ prev_parse_opts = lydctx->parse_opts;
+ lydctx->parse_opts &= ~LYD_PARSE_STRICT;
+ lydctx->parse_opts |= LYD_PARSE_OPAQ | (ext ? LYD_PARSE_ONLY : 0);
+ prev_int_opts = lydctx->int_opts;
+ lydctx->int_opts |= LYD_INTOPT_ANY | LYD_INTOPT_WITH_SIBLINGS;
+
+ /* parse any data tree */
+ anchor = NULL;
+ while (xmlctx->status == LYXML_ELEMENT) {
+ ret = lydxml_subtree_r(lydctx, NULL, &anchor, NULL);
+ if (ret) {
+ lyd_free_siblings(anchor);
+ break;
+ }
+ }
+
+ /* restore options */
+ lydctx->parse_opts = prev_parse_opts;
+ lydctx->int_opts = prev_int_opts;
+
+ LY_CHECK_GOTO(ret, error);
+
+ /* create node */
+ ret = lyd_create_any(snode, anchor, LYD_ANYDATA_DATATREE, 1, &node);
+ LY_CHECK_GOTO(ret, error);
+ }
+ }
+ assert(node);
+
+ if (snode) {
+ /* add/correct flags */
+ LY_CHECK_GOTO(ret = lyd_parse_set_data_flags(node, &meta, (struct lyd_ctx *)lydctx, ext), error);
+
+ if (!(lydctx->parse_opts & LYD_PARSE_ONLY)) {
+ /* store for ext instance node validation, if needed */
+ LY_CHECK_GOTO(ret = lyd_validate_node_ext(node, &lydctx->ext_node), error);
+ }
+ }
+
+ /* parser next */
+ assert(xmlctx->status == LYXML_ELEM_CLOSE);
+ if (!parse_subtree) {
+ LY_CHECK_GOTO(ret = lyxml_ctx_next(xmlctx), error);
+ }
+
+ /* add metadata/attributes */
+ if (snode) {
+ lyd_insert_meta(node, meta, 0);
+ } else {
+ lyd_insert_attr(node, attr);
+ }
+
+ /* insert, keep first pointer correct */
+ if (insert_anchor) {
+ lyd_insert_after(insert_anchor, node);
+ } else if (ext) {
+ LY_CHECK_GOTO(ret = lyplg_ext_insert(parent, node), error);
+ } else {
+ lyd_insert_node(parent, first_p, node, lydctx->parse_opts & LYD_PARSE_ORDERED ? 1 : 0);
+ }
+ while (!parent && (*first_p)->prev->next) {
+ *first_p = (*first_p)->prev;
+ }
+
+ /* rememeber a successfully parsed node */
+ if (parsed) {
+ ly_set_add(parsed, node, 1, NULL);
+ }
+
+ lydctx->parse_opts = orig_parse_opts;
+ LOG_LOCBACK(node ? 1 : 0, node ? 1 : 0, 0, 0);
+ return LY_SUCCESS;
+
+error:
+ lydctx->parse_opts = orig_parse_opts;
+ LOG_LOCBACK(node ? 1 : 0, node ? 1 : 0, 0, 0);
+ lyd_free_meta_siblings(meta);
+ lyd_free_attr_siblings(ctx, attr);
+ lyd_free_tree(node);
+ return ret;
+}
+
+/**
+ * @brief Parse a specific XML element into an opaque node.
+ *
+ * @param[in] xmlctx XML parser context.
+ * @param[in] name Name of the element.
+ * @param[in] uri URI of the element.
+ * @param[in] value Whether a value is expected in the element.
+ * @param[out] evnp Parsed envelope (opaque node).
+ * @return LY_SUCCESS on success.
+ * @return LY_ENOT if the specified element did not match.
+ * @return LY_ERR value on error.
+ */
+static LY_ERR
+lydxml_envelope(struct lyxml_ctx *xmlctx, const char *name, const char *uri, ly_bool value, struct lyd_node **envp)
+{
+ LY_ERR rc = LY_SUCCESS;
+ const struct lyxml_ns *ns;
+ struct lyd_attr *attr = NULL;
+ const char *prefix;
+ size_t prefix_len;
+
+ assert(xmlctx->status == LYXML_ELEMENT);
+ if (ly_strncmp(name, xmlctx->name, xmlctx->name_len)) {
+ /* not the expected element */
+ return LY_ENOT;
+ }
+
+ prefix = xmlctx->prefix;
+ prefix_len = xmlctx->prefix_len;
+ ns = lyxml_ns_get(&xmlctx->ns, prefix, prefix_len);
+ if (!ns) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE, "Unknown XML prefix \"%.*s\".", (int)prefix_len, prefix);
+ return LY_EVALID;
+ } else if (strcmp(ns->uri, uri)) {
+ /* different namespace */
+ return LY_ENOT;
+ }
+
+ LY_CHECK_RET(lyxml_ctx_next(xmlctx));
+
+ /* create attributes */
+ if (xmlctx->status == LYXML_ATTRIBUTE) {
+ LY_CHECK_RET(lydxml_attrs(xmlctx, &attr));
+ }
+
+ assert(xmlctx->status == LYXML_ELEM_CONTENT);
+ if (!value && !xmlctx->ws_only) {
+ LOGVAL(xmlctx->ctx, LYVE_SYNTAX, "Unexpected value \"%.*s\" in the \"%s\" element.",
+ (int)xmlctx->value_len, xmlctx->value, name);
+ rc = LY_EVALID;
+ goto cleanup;
+ }
+
+ /* create node */
+ rc = lyd_create_opaq(xmlctx->ctx, name, strlen(name), prefix, prefix_len, uri, strlen(uri), xmlctx->value,
+ xmlctx->ws_only ? 0 : xmlctx->value_len, NULL, LY_VALUE_XML, NULL, 0, envp);
+ LY_CHECK_GOTO(rc, cleanup);
+
+ /* assign atributes */
+ ((struct lyd_node_opaq *)(*envp))->attr = attr;
+ attr = NULL;
+
+ /* parser next element */
+ LY_CHECK_GOTO(rc = lyxml_ctx_next(xmlctx), cleanup);
+
+cleanup:
+ lyd_free_attr_siblings(xmlctx->ctx, attr);
+ if (rc) {
+ lyd_free_tree(*envp);
+ *envp = NULL;
+ }
+ return rc;
+}
+
+LY_ERR
+lyd_parse_xml(const struct ly_ctx *ctx, const struct lysc_ext_instance *ext, struct lyd_node *parent,
+ struct lyd_node **first_p, struct ly_in *in, uint32_t parse_opts, uint32_t val_opts, uint32_t int_opts,
+ struct ly_set *parsed, ly_bool *subtree_sibling, struct lyd_ctx **lydctx_p)
+{
+ LY_ERR rc = LY_SUCCESS;
+ struct lyd_xml_ctx *lydctx;
+ ly_bool parsed_data_nodes = 0;
+ enum LYXML_PARSER_STATUS status;
+
+ assert(ctx && in && lydctx_p);
+ assert(!(parse_opts & ~LYD_PARSE_OPTS_MASK));
+ assert(!(val_opts & ~LYD_VALIDATE_OPTS_MASK));
+
+ /* init context */
+ lydctx = calloc(1, sizeof *lydctx);
+ LY_CHECK_ERR_RET(!lydctx, LOGMEM(ctx), LY_EMEM);
+ LY_CHECK_GOTO(rc = lyxml_ctx_new(ctx, in, &lydctx->xmlctx), cleanup);
+ lydctx->parse_opts = parse_opts;
+ lydctx->val_opts = val_opts;
+ lydctx->int_opts = int_opts;
+ lydctx->free = lyd_xml_ctx_free;
+ lydctx->ext = ext;
+
+ /* find the operation node if it exists already */
+ LY_CHECK_GOTO(rc = lyd_parser_find_operation(parent, int_opts, &lydctx->op_node), cleanup);
+
+ /* parse XML data */
+ while (lydctx->xmlctx->status == LYXML_ELEMENT) {
+ LY_CHECK_GOTO(rc = lydxml_subtree_r(lydctx, parent, first_p, parsed), cleanup);
+ parsed_data_nodes = 1;
+
+ if (!(int_opts & LYD_INTOPT_WITH_SIBLINGS)) {
+ break;
+ }
+ }
+
+ /* check final state */
+ if ((int_opts & LYD_INTOPT_NO_SIBLINGS) && (lydctx->xmlctx->status == LYXML_ELEMENT)) {
+ LOGVAL(ctx, LYVE_SYNTAX, "Unexpected sibling node.");
+ rc = LY_EVALID;
+ goto cleanup;
+ }
+ if ((int_opts & (LYD_INTOPT_RPC | LYD_INTOPT_ACTION | LYD_INTOPT_NOTIF | LYD_INTOPT_REPLY)) && !lydctx->op_node) {
+ LOGVAL(ctx, LYVE_DATA, "Missing the operation node.");
+ rc = LY_EVALID;
+ goto cleanup;
+ }
+
+ if (!parsed_data_nodes) {
+ /* no data nodes were parsed */
+ lydctx->op_node = NULL;
+ }
+
+ if (parse_opts & LYD_PARSE_SUBTREE) {
+ /* check for a sibling element */
+ assert(subtree_sibling);
+ if (!lyxml_ctx_peek(lydctx->xmlctx, &status) && (status == LYXML_ELEMENT)) {
+ *subtree_sibling = 1;
+ } else {
+ *subtree_sibling = 0;
+ }
+ }
+
+cleanup:
+ /* there should be no unres stored if validation should be skipped */
+ assert(!(parse_opts & LYD_PARSE_ONLY) || (!lydctx->node_types.count && !lydctx->meta_types.count &&
+ !lydctx->node_when.count));
+
+ if (rc) {
+ lyd_xml_ctx_free((struct lyd_ctx *)lydctx);
+ } else {
+ *lydctx_p = (struct lyd_ctx *)lydctx;
+
+ /* the XML context is no more needed, freeing it also stops logging line numbers which would be confusing now */
+ lyxml_ctx_free(lydctx->xmlctx);
+ lydctx->xmlctx = NULL;
+ }
+ return rc;
+}
+
+/**
+ * @brief Parse all expected non-data XML elements of a NETCONF rpc message.
+ *
+ * @param[in] xmlctx XML parser context.
+ * @param[out] evnp Parsed envelope(s) (opaque node).
+ * @param[out] int_opts Internal options for parsing the rest of YANG data.
+ * @param[out] close_elem Number of parsed opened elements that need to be closed.
+ * @return LY_SUCCESS on success.
+ * @return LY_ERR value on error.
+ */
+static LY_ERR
+lydxml_env_netconf_rpc(struct lyxml_ctx *xmlctx, struct lyd_node **envp, uint32_t *int_opts, uint32_t *close_elem)
+{
+ LY_ERR rc = LY_SUCCESS, r;
+ struct lyd_node *child;
+
+ assert(envp && !*envp);
+
+ if (xmlctx->status != LYXML_ELEMENT) {
+ /* nothing to parse */
+ assert(xmlctx->status == LYXML_END);
+ goto cleanup;
+ }
+
+ /* parse "rpc" */
+ r = lydxml_envelope(xmlctx, "rpc", "urn:ietf:params:xml:ns:netconf:base:1.0", 0, envp);
+ LY_CHECK_ERR_GOTO(r, rc = r, cleanup);
+
+ /* parse "action", if any */
+ r = lydxml_envelope(xmlctx, "action", "urn:ietf:params:xml:ns:yang:1", 0, &child);
+ if (r == LY_SUCCESS) {
+ /* insert */
+ lyd_insert_node(*envp, NULL, child, 0);
+
+ /* NETCONF action */
+ *int_opts = LYD_INTOPT_NO_SIBLINGS | LYD_INTOPT_ACTION;
+ *close_elem = 2;
+ } else if (r == LY_ENOT) {
+ /* NETCONF RPC */
+ *int_opts = LYD_INTOPT_NO_SIBLINGS | LYD_INTOPT_RPC;
+ *close_elem = 1;
+ } else {
+ rc = r;
+ goto cleanup;
+ }
+
+cleanup:
+ if (rc) {
+ lyd_free_tree(*envp);
+ *envp = NULL;
+ }
+ return rc;
+}
+
+/**
+ * @brief Validate eventTime date-and-time value.
+ *
+ * @param[in] node Opaque eventTime node.
+ * @return LY_SUCCESS on success.
+ * @return LY_ERR value on error.
+ */
+static LY_ERR
+lydxml_env_netconf_eventtime_validate(const struct lyd_node *node)
+{
+ LY_ERR rc = LY_SUCCESS;
+ struct ly_ctx *ctx = (struct ly_ctx *)LYD_CTX(node);
+ struct lysc_ctx cctx;
+ const struct lys_module *mod;
+ LY_ARRAY_COUNT_TYPE u;
+ struct ly_err_item *err = NULL;
+ struct lysp_type *type_p = NULL;
+ struct lysc_pattern **patterns = NULL;
+ const char *value;
+
+ LYSC_CTX_INIT_CTX(cctx, ctx);
+
+ /* get date-and-time parsed type */
+ mod = ly_ctx_get_module_latest(ctx, "ietf-yang-types");
+ assert(mod);
+ LY_ARRAY_FOR(mod->parsed->typedefs, u) {
+ if (!strcmp(mod->parsed->typedefs[u].name, "date-and-time")) {
+ type_p = &mod->parsed->typedefs[u].type;
+ break;
+ }
+ }
+ assert(type_p);
+
+ /* compile patterns */
+ assert(type_p->patterns);
+ LY_CHECK_GOTO(rc = lys_compile_type_patterns(&cctx, type_p->patterns, NULL, &patterns), cleanup);
+
+ /* validate */
+ value = lyd_get_value(node);
+ rc = lyplg_type_validate_patterns(patterns, value, strlen(value), &err);
+
+cleanup:
+ FREE_ARRAY(&cctx.free_ctx, patterns, lysc_pattern_free);
+ if (rc && err) {
+ LOGVAL_ERRITEM(ctx, err);
+ ly_err_free(err);
+ LOGVAL(ctx, LYVE_DATA, "Invalid \"eventTime\" in the notification.");
+ }
+ return rc;
+}
+
+/**
+ * @brief Parse all expected non-data XML elements of a NETCONF notification message.
+ *
+ * @param[in] xmlctx XML parser context.
+ * @param[out] evnp Parsed envelope(s) (opaque node).
+ * @param[out] int_opts Internal options for parsing the rest of YANG data.
+ * @param[out] close_elem Number of parsed opened elements that need to be closed.
+ * @return LY_SUCCESS on success.
+ * @return LY_ERR value on error.
+ */
+static LY_ERR
+lydxml_env_netconf_notif(struct lyxml_ctx *xmlctx, struct lyd_node **envp, uint32_t *int_opts, uint32_t *close_elem)
+{
+ LY_ERR rc = LY_SUCCESS, r;
+ struct lyd_node *child;
+
+ assert(envp && !*envp);
+
+ if (xmlctx->status != LYXML_ELEMENT) {
+ /* nothing to parse */
+ assert(xmlctx->status == LYXML_END);
+ goto cleanup;
+ }
+
+ /* parse "notification" */
+ r = lydxml_envelope(xmlctx, "notification", "urn:ietf:params:xml:ns:netconf:notification:1.0", 0, envp);
+ LY_CHECK_ERR_GOTO(r, rc = r, cleanup);
+
+ /* parse "eventTime" */
+ r = lydxml_envelope(xmlctx, "eventTime", "urn:ietf:params:xml:ns:netconf:notification:1.0", 1, &child);
+ if (r == LY_ENOT) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE, "Unexpected element \"%.*s\" instead of \"eventTime\".",
+ (int)xmlctx->name_len, xmlctx->name);
+ r = LY_EVALID;
+ }
+ LY_CHECK_ERR_GOTO(r, rc = r, cleanup);
+
+ /* insert */
+ lyd_insert_node(*envp, NULL, child, 0);
+
+ /* validate value */
+ r = lydxml_env_netconf_eventtime_validate(child);
+ LY_CHECK_ERR_GOTO(r, rc = r, cleanup);
+
+ /* finish child parsing */
+ if (xmlctx->status != LYXML_ELEM_CLOSE) {
+ assert(xmlctx->status == LYXML_ELEMENT);
+ LOGVAL(xmlctx->ctx, LYVE_SYNTAX, "Unexpected child element \"%.*s\" of \"eventTime\".",
+ (int)xmlctx->name_len, xmlctx->name);
+ rc = LY_EVALID;
+ goto cleanup;
+ }
+ LY_CHECK_GOTO(rc = lyxml_ctx_next(xmlctx), cleanup);
+
+ /* NETCONF notification */
+ *int_opts = LYD_INTOPT_NO_SIBLINGS | LYD_INTOPT_NOTIF;
+ *close_elem = 1;
+
+cleanup:
+ if (rc) {
+ lyd_free_tree(*envp);
+ *envp = NULL;
+ }
+ return rc;
+}
+
+/**
+ * @brief Parse an XML element as an opaque node subtree.
+ *
+ * @param[in] xmlctx XML parser context.
+ * @param[in] parent Parent to append nodes to.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lydxml_opaq_r(struct lyxml_ctx *xmlctx, struct lyd_node *parent)
+{
+ LY_ERR rc = LY_SUCCESS;
+ const struct lyxml_ns *ns;
+ struct lyd_attr *attr = NULL;
+ struct lyd_node *child = NULL;
+ const char *name, *prefix;
+ size_t name_len, prefix_len;
+
+ assert(xmlctx->status == LYXML_ELEMENT);
+
+ name = xmlctx->name;
+ name_len = xmlctx->name_len;
+ prefix = xmlctx->prefix;
+ prefix_len = xmlctx->prefix_len;
+ ns = lyxml_ns_get(&xmlctx->ns, prefix, prefix_len);
+ if (!ns) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE, "Unknown XML prefix \"%.*s\".", (int)prefix_len, prefix);
+ return LY_EVALID;
+ }
+
+ LY_CHECK_RET(lyxml_ctx_next(xmlctx));
+
+ /* create attributes */
+ if (xmlctx->status == LYXML_ATTRIBUTE) {
+ LY_CHECK_RET(lydxml_attrs(xmlctx, &attr));
+ }
+
+ /* create node */
+ assert(xmlctx->status == LYXML_ELEM_CONTENT);
+ rc = lyd_create_opaq(xmlctx->ctx, name, name_len, prefix, prefix_len, ns->uri, strlen(ns->uri), xmlctx->value,
+ xmlctx->ws_only ? 0 : xmlctx->value_len, NULL, LY_VALUE_XML, NULL, 0, &child);
+ LY_CHECK_GOTO(rc, cleanup);
+
+ /* assign atributes */
+ ((struct lyd_node_opaq *)child)->attr = attr;
+ attr = NULL;
+
+ /* parser next element */
+ LY_CHECK_GOTO(rc = lyxml_ctx_next(xmlctx), cleanup);
+
+ /* parse all the descendants */
+ while (xmlctx->status == LYXML_ELEMENT) {
+ rc = lydxml_opaq_r(xmlctx, child);
+ LY_CHECK_GOTO(rc, cleanup);
+ }
+
+ /* insert */
+ lyd_insert_node(parent, NULL, child, 1);
+
+cleanup:
+ lyd_free_attr_siblings(xmlctx->ctx, attr);
+ if (rc) {
+ lyd_free_tree(child);
+ }
+ return rc;
+}
+
+/**
+ * @brief Parse all expected non-data XML elements of the error-info element in NETCONF rpc-reply message.
+ *
+ * @param[in] xmlctx XML parser context.
+ * @param[in] parent Parent to append nodes to.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lydxml_env_netconf_rpc_reply_error_info(struct lyxml_ctx *xmlctx, struct lyd_node *parent)
+{
+ LY_ERR r;
+ struct lyd_node *child, *iter;
+ ly_bool no_dup;
+
+ /* there must be some child */
+ if (xmlctx->status == LYXML_ELEM_CLOSE) {
+ LOGVAL(xmlctx->ctx, LYVE_SYNTAX, "Missing child elements of \"error-info\".");
+ return LY_EVALID;
+ }
+
+ while (xmlctx->status == LYXML_ELEMENT) {
+ child = NULL;
+
+ /*
+ * session-id
+ */
+ r = lydxml_envelope(xmlctx, "session-id", "urn:ietf:params:xml:ns:netconf:base:1.0", 1, &child);
+ if (r == LY_SUCCESS) {
+ no_dup = 1;
+ goto check_child;
+ } else if (r != LY_ENOT) {
+ goto error;
+ }
+
+ /*
+ * bad-attribute
+ */
+ r = lydxml_envelope(xmlctx, "bad-attribute", "urn:ietf:params:xml:ns:netconf:base:1.0", 1, &child);
+ if (r == LY_SUCCESS) {
+ no_dup = 1;
+ goto check_child;
+ } else if (r != LY_ENOT) {
+ goto error;
+ }
+
+ /*
+ * bad-element
+ */
+ r = lydxml_envelope(xmlctx, "bad-element", "urn:ietf:params:xml:ns:netconf:base:1.0", 1, &child);
+ if (r == LY_SUCCESS) {
+ no_dup = 1;
+ goto check_child;
+ } else if (r != LY_ENOT) {
+ goto error;
+ }
+
+ /*
+ * bad-namespace
+ */
+ r = lydxml_envelope(xmlctx, "bad-namespace", "urn:ietf:params:xml:ns:netconf:base:1.0", 1, &child);
+ if (r == LY_SUCCESS) {
+ no_dup = 1;
+ goto check_child;
+ } else if (r != LY_ENOT) {
+ goto error;
+ }
+
+ if (r == LY_ENOT) {
+ assert(xmlctx->status == LYXML_ELEMENT);
+
+ /* custom elements, parse all the siblings */
+ while (xmlctx->status == LYXML_ELEMENT) {
+ LY_CHECK_GOTO(r = lydxml_opaq_r(xmlctx, parent), error);
+ LY_CHECK_GOTO(r = lyxml_ctx_next(xmlctx), error);
+ }
+ continue;
+ }
+
+check_child:
+ /* check for duplicates */
+ if (no_dup) {
+ LY_LIST_FOR(lyd_child(parent), iter) {
+ if ((((struct lyd_node_opaq *)iter)->name.name == ((struct lyd_node_opaq *)child)->name.name) &&
+ (((struct lyd_node_opaq *)iter)->name.module_ns == ((struct lyd_node_opaq *)child)->name.module_ns)) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE, "Duplicate element \"%s\" in \"error-info\".",
+ ((struct lyd_node_opaq *)child)->name.name);
+ r = LY_EVALID;
+ goto error;
+ }
+ }
+ }
+
+ /* finish child parsing */
+ if (xmlctx->status != LYXML_ELEM_CLOSE) {
+ assert(xmlctx->status == LYXML_ELEMENT);
+ LOGVAL(xmlctx->ctx, LYVE_SYNTAX, "Unexpected child element \"%.*s\" of \"error-info\".",
+ (int)xmlctx->name_len, xmlctx->name);
+ r = LY_EVALID;
+ goto error;
+ }
+ LY_CHECK_GOTO(r = lyxml_ctx_next(xmlctx), error);
+
+ /* insert */
+ lyd_insert_node(parent, NULL, child, 1);
+ }
+
+ return LY_SUCCESS;
+
+error:
+ lyd_free_tree(child);
+ return r;
+}
+
+/**
+ * @brief Parse all expected non-data XML elements of the rpc-error element in NETCONF rpc-reply message.
+ *
+ * @param[in] xmlctx XML parser context.
+ * @param[in] parent Parent to append nodes to.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lydxml_env_netconf_rpc_reply_error(struct lyxml_ctx *xmlctx, struct lyd_node *parent)
+{
+ LY_ERR r;
+ struct lyd_node *child, *iter;
+ const char *val;
+ ly_bool no_dup;
+
+ /* there must be some child */
+ if (xmlctx->status == LYXML_ELEM_CLOSE) {
+ LOGVAL(xmlctx->ctx, LYVE_SYNTAX, "Missing child elements of \"rpc-error\".");
+ return LY_EVALID;
+ }
+
+ while (xmlctx->status == LYXML_ELEMENT) {
+ child = NULL;
+
+ /*
+ * error-type
+ */
+ r = lydxml_envelope(xmlctx, "error-type", "urn:ietf:params:xml:ns:netconf:base:1.0", 1, &child);
+ if (r == LY_SUCCESS) {
+ val = ((struct lyd_node_opaq *)child)->value;
+ if (strcmp(val, "transport") && strcmp(val, "rpc") && strcmp(val, "protocol") && strcmp(val, "application")) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE, "Invalid value \"%s\" of element \"%s\".", val,
+ ((struct lyd_node_opaq *)child)->name.name);
+ r = LY_EVALID;
+ goto error;
+ }
+
+ no_dup = 1;
+ goto check_child;
+ } else if (r != LY_ENOT) {
+ goto error;
+ }
+
+ /*
+ * error-tag
+ */
+ r = lydxml_envelope(xmlctx, "error-tag", "urn:ietf:params:xml:ns:netconf:base:1.0", 1, &child);
+ if (r == LY_SUCCESS) {
+ val = ((struct lyd_node_opaq *)child)->value;
+ if (strcmp(val, "in-use") && strcmp(val, "invalid-value") && strcmp(val, "too-big") &&
+ strcmp(val, "missing-attribute") && strcmp(val, "bad-attribute") &&
+ strcmp(val, "unknown-attribute") && strcmp(val, "missing-element") && strcmp(val, "bad-element") &&
+ strcmp(val, "unknown-element") && strcmp(val, "unknown-namespace") && strcmp(val, "access-denied") &&
+ strcmp(val, "lock-denied") && strcmp(val, "resource-denied") && strcmp(val, "rollback-failed") &&
+ strcmp(val, "data-exists") && strcmp(val, "data-missing") && strcmp(val, "operation-not-supported") &&
+ strcmp(val, "operation-failed") && strcmp(val, "malformed-message")) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE, "Invalid value \"%s\" of element \"%s\".", val,
+ ((struct lyd_node_opaq *)child)->name.name);
+ r = LY_EVALID;
+ goto error;
+ }
+
+ no_dup = 1;
+ goto check_child;
+ } else if (r != LY_ENOT) {
+ goto error;
+ }
+
+ /*
+ * error-severity
+ */
+ r = lydxml_envelope(xmlctx, "error-severity", "urn:ietf:params:xml:ns:netconf:base:1.0", 1, &child);
+ if (r == LY_SUCCESS) {
+ val = ((struct lyd_node_opaq *)child)->value;
+ if (strcmp(val, "error") && strcmp(val, "warning")) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE, "Invalid value \"%s\" of element \"%s\".", val,
+ ((struct lyd_node_opaq *)child)->name.name);
+ r = LY_EVALID;
+ goto error;
+ }
+
+ no_dup = 1;
+ goto check_child;
+ } else if (r != LY_ENOT) {
+ goto error;
+ }
+
+ /*
+ * error-app-tag
+ */
+ r = lydxml_envelope(xmlctx, "error-app-tag", "urn:ietf:params:xml:ns:netconf:base:1.0", 1, &child);
+ if (r == LY_SUCCESS) {
+ no_dup = 1;
+ goto check_child;
+ } else if (r != LY_ENOT) {
+ goto error;
+ }
+
+ /*
+ * error-path
+ */
+ r = lydxml_envelope(xmlctx, "error-path", "urn:ietf:params:xml:ns:netconf:base:1.0", 1, &child);
+ if (r == LY_SUCCESS) {
+ no_dup = 1;
+ goto check_child;
+ } else if (r != LY_ENOT) {
+ goto error;
+ }
+
+ /*
+ * error-message
+ */
+ r = lydxml_envelope(xmlctx, "error-message", "urn:ietf:params:xml:ns:netconf:base:1.0", 1, &child);
+ if (r == LY_SUCCESS) {
+ no_dup = 1;
+ goto check_child;
+ } else if (r != LY_ENOT) {
+ goto error;
+ }
+
+ /* error-info */
+ r = lydxml_envelope(xmlctx, "error-info", "urn:ietf:params:xml:ns:netconf:base:1.0", 0, &child);
+ if (r == LY_SUCCESS) {
+ /* parse all the descendants */
+ LY_CHECK_GOTO(r = lydxml_env_netconf_rpc_reply_error_info(xmlctx, child), error);
+
+ no_dup = 0;
+ goto check_child;
+ } else if (r != LY_ENOT) {
+ goto error;
+ }
+
+ if (r == LY_ENOT) {
+ assert(xmlctx->status == LYXML_ELEMENT);
+ LOGVAL(xmlctx->ctx, LYVE_SYNTAX, "Unexpected child element \"%.*s\" of \"rpc-error\".",
+ (int)xmlctx->name_len, xmlctx->name);
+ r = LY_EVALID;
+ goto error;
+ }
+
+check_child:
+ /* check for duplicates */
+ if (no_dup) {
+ LY_LIST_FOR(lyd_child(parent), iter) {
+ if ((((struct lyd_node_opaq *)iter)->name.name == ((struct lyd_node_opaq *)child)->name.name) &&
+ (((struct lyd_node_opaq *)iter)->name.module_ns == ((struct lyd_node_opaq *)child)->name.module_ns)) {
+ LOGVAL(xmlctx->ctx, LYVE_REFERENCE, "Duplicate element \"%s\" in \"rpc-error\".",
+ ((struct lyd_node_opaq *)child)->name.name);
+ r = LY_EVALID;
+ goto error;
+ }
+ }
+ }
+
+ /* finish child parsing */
+ if (xmlctx->status != LYXML_ELEM_CLOSE) {
+ assert(xmlctx->status == LYXML_ELEMENT);
+ LOGVAL(xmlctx->ctx, LYVE_SYNTAX, "Unexpected child element \"%.*s\" of \"rpc-error\".",
+ (int)xmlctx->name_len, xmlctx->name);
+ r = LY_EVALID;
+ goto error;
+ }
+ LY_CHECK_GOTO(r = lyxml_ctx_next(xmlctx), error);
+
+ /* insert */
+ lyd_insert_node(parent, NULL, child, 1);
+ }
+
+ return LY_SUCCESS;
+
+error:
+ lyd_free_tree(child);
+ return r;
+}
+
+/**
+ * @brief Parse all expected non-data XML elements of a NETCONF rpc-reply message.
+ *
+ * @param[in] xmlctx XML parser context.
+ * @param[out] evnp Parsed envelope(s) (opaque node).
+ * @param[out] int_opts Internal options for parsing the rest of YANG data.
+ * @param[out] close_elem Number of parsed opened elements that need to be closed.
+ * @return LY_SUCCESS on success.
+ * @return LY_ERR value on error.
+ */
+static LY_ERR
+lydxml_env_netconf_reply(struct lyxml_ctx *xmlctx, struct lyd_node **envp, uint32_t *int_opts, uint32_t *close_elem)
+{
+ LY_ERR rc = LY_SUCCESS, r;
+ struct lyd_node *child = NULL;
+ const char *parsed_elem = NULL;
+
+ assert(envp && !*envp);
+
+ if (xmlctx->status != LYXML_ELEMENT) {
+ /* nothing to parse */
+ assert(xmlctx->status == LYXML_END);
+ goto cleanup;
+ }
+
+ /* parse "rpc-reply" */
+ r = lydxml_envelope(xmlctx, "rpc-reply", "urn:ietf:params:xml:ns:netconf:base:1.0", 0, envp);
+ LY_CHECK_ERR_GOTO(r, rc = r, cleanup);
+
+ /* there must be some child */
+ if (xmlctx->status == LYXML_ELEM_CLOSE) {
+ LOGVAL(xmlctx->ctx, LYVE_SYNTAX, "Missing child elements of \"rpc-reply\".");
+ rc = LY_EVALID;
+ goto cleanup;
+ }
+
+ /* try to parse "ok" */
+ r = lydxml_envelope(xmlctx, "ok", "urn:ietf:params:xml:ns:netconf:base:1.0", 0, &child);
+ if (r == LY_SUCCESS) {
+ /* insert */
+ lyd_insert_node(*envp, NULL, child, 1);
+
+ /* finish child parsing */
+ if (xmlctx->status != LYXML_ELEM_CLOSE) {
+ assert(xmlctx->status == LYXML_ELEMENT);
+ LOGVAL(xmlctx->ctx, LYVE_SYNTAX, "Unexpected child element \"%.*s\" of \"ok\".",
+ (int)xmlctx->name_len, xmlctx->name);
+ rc = LY_EVALID;
+ goto cleanup;
+ }
+ LY_CHECK_GOTO(rc = lyxml_ctx_next(xmlctx), cleanup);
+
+ /* success */
+ parsed_elem = "ok";
+ goto finish;
+ } else if (r != LY_ENOT) {
+ rc = r;
+ goto cleanup;
+ }
+
+ /* try to parse all "rpc-error" elements */
+ while (xmlctx->status == LYXML_ELEMENT) {
+ r = lydxml_envelope(xmlctx, "rpc-error", "urn:ietf:params:xml:ns:netconf:base:1.0", 0, &child);
+ if (r == LY_ENOT) {
+ break;
+ } else if (r) {
+ rc = r;
+ goto cleanup;
+ }
+
+ /* insert */
+ lyd_insert_node(*envp, NULL, child, 1);
+
+ /* parse all children of "rpc-error" */
+ LY_CHECK_GOTO(rc = lydxml_env_netconf_rpc_reply_error(xmlctx, child), cleanup);
+
+ /* finish child parsing */
+ assert(xmlctx->status == LYXML_ELEM_CLOSE);
+ LY_CHECK_GOTO(rc = lyxml_ctx_next(xmlctx), cleanup);
+
+ parsed_elem = "rpc-error";
+ }
+
+finish:
+ if (parsed_elem) {
+ /* NETCONF rpc-reply with no data */
+ if (xmlctx->status != LYXML_ELEM_CLOSE) {
+ assert(xmlctx->status == LYXML_ELEMENT);
+ LOGVAL(xmlctx->ctx, LYVE_SYNTAX, "Unexpected sibling element \"%.*s\" of \"%s\".",
+ (int)xmlctx->name_len, xmlctx->name, parsed_elem);
+ rc = LY_EVALID;
+ goto cleanup;
+ }
+ }
+
+ /* NETCONF rpc-reply */
+ *int_opts = LYD_INTOPT_WITH_SIBLINGS | LYD_INTOPT_REPLY;
+ *close_elem = 1;
+
+cleanup:
+ if (rc) {
+ lyd_free_tree(*envp);
+ *envp = NULL;
+ }
+ return rc;
+}
+
+LY_ERR
+lyd_parse_xml_netconf(const struct ly_ctx *ctx, const struct lysc_ext_instance *ext, struct lyd_node *parent,
+ struct lyd_node **first_p, struct ly_in *in, uint32_t parse_opts, uint32_t val_opts, enum lyd_type data_type,
+ struct lyd_node **envp, struct ly_set *parsed, struct lyd_ctx **lydctx_p)
+{
+ LY_ERR rc = LY_SUCCESS;
+ struct lyd_xml_ctx *lydctx;
+ uint32_t i, int_opts = 0, close_elem = 0;
+ ly_bool parsed_data_nodes = 0;
+
+ assert(ctx && in && lydctx_p);
+ assert(!(parse_opts & ~LYD_PARSE_OPTS_MASK));
+ assert(!(val_opts & ~LYD_VALIDATE_OPTS_MASK));
+
+ assert((data_type == LYD_TYPE_RPC_NETCONF) || (data_type == LYD_TYPE_NOTIF_NETCONF) ||
+ (data_type == LYD_TYPE_REPLY_NETCONF));
+ assert(!(parse_opts & LYD_PARSE_SUBTREE));
+
+ /* init context */
+ lydctx = calloc(1, sizeof *lydctx);
+ LY_CHECK_ERR_RET(!lydctx, LOGMEM(ctx), LY_EMEM);
+ LY_CHECK_GOTO(rc = lyxml_ctx_new(ctx, in, &lydctx->xmlctx), cleanup);
+ lydctx->parse_opts = parse_opts;
+ lydctx->val_opts = val_opts;
+ lydctx->free = lyd_xml_ctx_free;
+ lydctx->ext = ext;
+
+ switch (data_type) {
+ case LYD_TYPE_RPC_NETCONF:
+ assert(!parent);
+ rc = lydxml_env_netconf_rpc(lydctx->xmlctx, envp, &int_opts, &close_elem);
+ if (rc == LY_ENOT) {
+ LOGVAL(ctx, LYVE_DATA, "Missing NETCONF <rpc> envelope or in incorrect namespace.");
+ }
+ LY_CHECK_GOTO(rc, cleanup);
+ break;
+ case LYD_TYPE_NOTIF_NETCONF:
+ assert(!parent);
+ rc = lydxml_env_netconf_notif(lydctx->xmlctx, envp, &int_opts, &close_elem);
+ if (rc == LY_ENOT) {
+ LOGVAL(ctx, LYVE_DATA, "Missing NETCONF <notification> envelope or in incorrect namespace.");
+ }
+ LY_CHECK_GOTO(rc, cleanup);
+ break;
+ case LYD_TYPE_REPLY_NETCONF:
+ assert(parent);
+ rc = lydxml_env_netconf_reply(lydctx->xmlctx, envp, &int_opts, &close_elem);
+ if (rc == LY_ENOT) {
+ LOGVAL(ctx, LYVE_DATA, "Missing NETCONF <rpc-reply> envelope or in incorrect namespace.");
+ }
+ LY_CHECK_GOTO(rc, cleanup);
+ break;
+ default:
+ LOGINT(ctx);
+ rc = LY_EINT;
+ goto cleanup;
+ }
+
+ lydctx->int_opts = int_opts;
+
+ /* find the operation node if it exists already */
+ LY_CHECK_GOTO(rc = lyd_parser_find_operation(parent, int_opts, &lydctx->op_node), cleanup);
+
+ /* parse XML data */
+ while (lydctx->xmlctx->status == LYXML_ELEMENT) {
+ LY_CHECK_GOTO(rc = lydxml_subtree_r(lydctx, parent, first_p, parsed), cleanup);
+ parsed_data_nodes = 1;
+
+ if (!(int_opts & LYD_INTOPT_WITH_SIBLINGS)) {
+ break;
+ }
+ }
+
+ /* close all opened elements */
+ for (i = 0; i < close_elem; ++i) {
+ if (lydctx->xmlctx->status != LYXML_ELEM_CLOSE) {
+ assert(lydctx->xmlctx->status == LYXML_ELEMENT);
+ LOGVAL(lydctx->xmlctx->ctx, LYVE_SYNTAX, "Unexpected child element \"%.*s\".",
+ (int)lydctx->xmlctx->name_len, lydctx->xmlctx->name);
+ rc = LY_EVALID;
+ goto cleanup;
+ }
+
+ LY_CHECK_GOTO(rc = lyxml_ctx_next(lydctx->xmlctx), cleanup);
+ }
+
+ /* check final state */
+ if ((int_opts & LYD_INTOPT_NO_SIBLINGS) && (lydctx->xmlctx->status == LYXML_ELEMENT)) {
+ LOGVAL(ctx, LYVE_SYNTAX, "Unexpected sibling node.");
+ rc = LY_EVALID;
+ goto cleanup;
+ }
+ if ((int_opts & (LYD_INTOPT_RPC | LYD_INTOPT_ACTION | LYD_INTOPT_NOTIF | LYD_INTOPT_REPLY)) && !lydctx->op_node) {
+ LOGVAL(ctx, LYVE_DATA, "Missing the operation node.");
+ rc = LY_EVALID;
+ goto cleanup;
+ }
+
+ if (!parsed_data_nodes) {
+ /* no data nodes were parsed */
+ lydctx->op_node = NULL;
+ }
+
+cleanup:
+ /* there should be no unres stored if validation should be skipped */
+ assert(!(parse_opts & LYD_PARSE_ONLY) || (!lydctx->node_types.count && !lydctx->meta_types.count &&
+ !lydctx->node_when.count));
+
+ if (rc) {
+ lyd_xml_ctx_free((struct lyd_ctx *)lydctx);
+ } else {
+ *lydctx_p = (struct lyd_ctx *)lydctx;
+
+ /* the XML context is no more needed, freeing it also stops logging line numbers which would be confusing now */
+ lyxml_ctx_free(lydctx->xmlctx);
+ lydctx->xmlctx = NULL;
+ }
+ return rc;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-02 22:26:14 +0000