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usr / src / contrib / wpa / src / utils /

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📄 base64.c(4.52 KB)
📄 base64.h(653 B)
📄 bitfield.c(1.37 KB)
📄 bitfield.h(558 B)
📄 browser-android.c(2.62 KB)
📄 browser-system.c(2.39 KB)
📄 browser-wpadebug.c(3.14 KB)
📄 browser.c(5.93 KB)
📄 browser.h(451 B)
📄 build_config.h(1.38 KB)
📄 common.c(24.26 KB)
📄 common.h(14.84 KB)
📄 const_time.h(5.45 KB)
📄 crc32.c(3.7 KB)
📄 crc32.h(297 B)
📄 edit.c(20.21 KB)
📄 edit.h(612 B)
📄 edit_readline.c(3.78 KB)
📄 edit_simple.c(1.77 KB)
📄 eloop.c(32.23 KB)
📄 eloop.h(13.77 KB)
📄 eloop_win.c(15.17 KB)
📄 ext_password.c(2.02 KB)
📄 ext_password.h(855 B)
📄 ext_password_i.h(713 B)
📄 ext_password_test.c(1.72 KB)
📄 http-utils.h(1.71 KB)
📄 http_curl.c(44.53 KB)
📄 includes.h(1.09 KB)
📄 ip_addr.c(1.02 KB)
📄 ip_addr.h(608 B)
📄 json.c(12.54 KB)
📄 json.h(1.02 KB)
📄 list.h(2.4 KB)
📄 module_tests.h(438 B)
📄 os.h(19.54 KB)
📄 os_internal.c(8.66 KB)
📄 os_none.c(3.3 KB)
📄 os_unix.c(15.06 KB)
📄 os_win32.c(4.68 KB)
📄 pcsc_funcs.c(37.61 KB)
📄 pcsc_funcs.h(1.4 KB)
📄 platform.h(508 B)
📄 radiotap.c(12.25 KB)
📄 radiotap.h(10.67 KB)
📄 radiotap_iter.h(2.86 KB)
📄 state_machine.h(5.25 KB)
📄 trace.c(8.28 KB)
📄 trace.h(1.88 KB)
📄 utils_module_tests.c(28.14 KB)
📄 uuid.c(1.8 KB)
📄 uuid.h(439 B)
📄 wpa_debug.c(18.68 KB)
📄 wpa_debug.h(12.38 KB)
📄 wpabuf.c(7.44 KB)
📄 wpabuf.h(4.14 KB)
📄 xml-utils.c(9.29 KB)
📄 xml-utils.h(4.01 KB)
📄 xml_libxml2.c(9.07 KB)

Editing: xml_libxml2.c

/*
 * 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);
	if (!buf)
		return NULL;
	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);
}

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Editing: xml_libxml2.c

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