Add first draft XML based service record registration

4 files changed, 731 insertions, 26 deletions

diff --git a/common/sdp-dummy.c b/common/sdp-dummy.c
index 8ed637e7..b1f74df7 100644
--- a/common/sdp-dummy.c
+++ b/common/sdp-dummy.c
@@ -25,4 +25,15 @@
 #include <config.h>
 #endif
 
+#include <stdio.h>
+#include <errno.h>
+
+#include "logging.h"
 #include "sdp-xml.h"
+
+sdp_record_t *sdp_xml_parse_record(const char *data, int size)
+{
+	error("No XML parser available");
+
+	return -1;
+}
diff --git a/common/sdp-expat.c b/common/sdp-expat.c
index 0ab15d7a..cc2ff575 100644
--- a/common/sdp-expat.c
+++ b/common/sdp-expat.c
@@ -25,9 +25,390 @@
 #include <config.h>
 #endif
 
+#include <stdio.h>
+#include <errno.h>
+#include <malloc.h>
+
 #include <bluetooth/sdp.h>
 #include <bluetooth/sdp_lib.h>
 
 #include <expat.h>
 
+#include "logging.h"
 #include "sdp-xml.h"
+
+/* Expat specific implementation of the context struct */
+
+struct sdp_xml_data {
+	char *text;			/* Pointer to the current buffer */
+	int size;			/* Size of the current buffer */
+	sdp_data_t *data;		/* The current item being built */
+	struct sdp_xml_data *next;	/* Next item on the stack */
+	char type;			/* 0 = Text or Hexadecimal */
+	char *name;			/* Name, optional in the dtd */
+	/* TODO: What is it used for? */
+};
+
+struct sdp_xml_context {
+	XML_Parser parser;			/* Parser object being used */
+	sdp_record_t *sdprec;			/* SDP Record being built */
+	struct sdp_xml_data *stack_head;	/* Top of the stack of attributes */
+	int attrId;				/* Id of the most recently processed attribute */
+};
+
+#define DEFAULT_XML_DATA_SIZE 1024
+
+static struct sdp_xml_data *sdp_xml_data_alloc()
+{
+	struct sdp_xml_data *elem;
+
+	elem = malloc(sizeof(struct sdp_xml_data));
+
+	/* Null terminate the text */
+	elem->size = DEFAULT_XML_DATA_SIZE;
+	elem->text = malloc(DEFAULT_XML_DATA_SIZE);
+	elem->text[0] = '\0';
+
+	elem->next = 0;
+	elem->data = 0;
+
+	elem->type = 0;
+	elem->name = 0;
+
+	return elem;
+}
+
+static void sdp_xml_data_free(struct sdp_xml_data *elem)
+{
+	if (elem->data)
+		sdp_data_free(elem->data);
+
+	if (elem->name)
+		free(elem->name);
+
+	free(elem->text);
+	free(elem);
+}
+
+static struct sdp_xml_data *sdp_xml_data_expand(struct sdp_xml_data *elem)
+{
+	char *newbuf;
+
+	newbuf = malloc(elem->size * 2);
+	if (!newbuf)
+		return NULL;
+
+	memcpy(newbuf, elem->text, elem->size);
+	elem->size *= 2;
+	free(elem->text);
+
+	elem->text = newbuf;
+
+	return elem;
+}
+
+static sdp_data_t *sdp_xml_parse_datatype(const char *el,
+					struct sdp_xml_context *context)
+{
+	const char *data = context->stack_head->text;
+
+	if (!strcmp(el, "bool"))
+		return sdp_xml_parse_int(data, SDP_BOOL);
+	else if (!strcmp(el, "uint8"))
+		return sdp_xml_parse_int(data, SDP_UINT8);
+	else if (!strcmp(el, "uint16"))
+		return sdp_xml_parse_int(data, SDP_UINT16);
+	else if (!strcmp(el, "uint32"))
+		return sdp_xml_parse_int(data, SDP_UINT32);
+	else if (!strcmp(el, "uint64"))
+		return sdp_xml_parse_int(data, SDP_UINT64);
+	else if (!strcmp(el, "uint128"))
+		return sdp_xml_parse_int(data, SDP_UINT128);
+	else if (!strcmp(el, "int8"))
+		return sdp_xml_parse_int(data, SDP_INT8);
+	else if (!strcmp(el, "int16"))
+		return sdp_xml_parse_int(data, SDP_INT16);
+	else if (!strcmp(el, "int32"))
+		return sdp_xml_parse_int(data, SDP_INT32);
+	else if (!strcmp(el, "int64"))
+		return sdp_xml_parse_int(data, SDP_INT64);
+	else if (!strcmp(el, "int128"))
+		return sdp_xml_parse_int(data, SDP_INT128);
+	else if (!strcmp(el, "uuid"))
+		return sdp_xml_parse_uuid(data);
+	else if (!strcmp(el, "url"))
+		return sdp_xml_parse_url(data);
+	else if (!strcmp(el, "text"))
+		return sdp_xml_parse_text(data, context->stack_head->type);
+	else if (!strcmp(el, "nil"))
+		return sdp_xml_parse_nil(data);
+
+	return NULL;
+}
+
+static void convert_xml_to_sdp_start(void *data, const char *el, const char **attr)
+{
+	struct sdp_xml_context *context = data;
+	int i;
+
+	if (!strcmp(el, "record"))
+		return;
+
+	if (!strcmp(el, "attribute")) {
+		/* Get the ID */
+		for (i = 0; attr[i]; i += 1) {
+			if (!strcmp(attr[i], "id")) {
+				context->attrId =
+				    strtol(attr[i + 1], 0, 0);
+				break;
+			}
+		}
+
+		return;
+	}
+
+	/* Assume every other tag is an element of some sort */
+	if (context->stack_head) {
+		struct sdp_xml_data *newelem = sdp_xml_data_alloc();
+		newelem->next = context->stack_head;
+		context->stack_head = newelem;
+	} else {
+		context->stack_head = sdp_xml_data_alloc();
+		context->stack_head->next = 0;
+	}
+
+	if (!strcmp(el, "sequence"))
+		context->stack_head->data = sdp_data_alloc(SDP_SEQ8, NULL);
+	else if (!strcmp(el, "alternate"))
+		context->stack_head->data = sdp_data_alloc(SDP_ALT8, NULL);
+	else {
+		const char *type = el;
+		/* Parse value, name, encoding */
+		for (i = 0; attr[i]; i += 2) {
+			if (!strcmp(attr[i], "value")) {
+				int curlen =
+				    strlen(context->stack_head->text);
+				int attrlen = strlen(attr[i + 1]);
+
+				/* Ensure we're big enough */
+				while ((curlen + 1 + attrlen) >
+				       context->stack_head->size) {
+					sdp_xml_data_expand(context->
+							    stack_head);
+				}
+
+				memcpy(&context->stack_head->text[curlen],
+				       attr[i + 1], attrlen);
+				context->stack_head->text[curlen +
+							  attrlen] = '\0';
+			}
+
+			if (!strcmp(attr[i], "encoding")) {
+				if (!strcmp(attr[i + 1], "hex"))
+					context->stack_head->type = 1;
+			}
+
+			if (!strcmp(attr[i], "name")) {
+				context->stack_head->name =
+				    strdup(attr[i + 1]);
+			}
+		}
+
+		context->stack_head->data =
+		    sdp_xml_parse_datatype(type, context);
+
+		/* Could not parse an entry */
+		if (context->stack_head->data == NULL)
+			XML_StopParser(context->parser, 0);
+	}
+}
+
+static int compute_seq_size(sdp_data_t *data)
+{
+	int unit_size = data->unitSize;
+	sdp_data_t *seq = data->val.dataseq;
+
+	for (; seq; seq = seq->next)
+		unit_size += seq->unitSize;
+
+	return unit_size;
+}
+
+static void convert_xml_to_sdp_end(void *data, const char *el)
+{
+	struct sdp_xml_context *context = data;
+	struct sdp_xml_data *elem;
+
+	if (!strcmp(el, "record"))
+		return;
+
+	if (!strcmp(el, "attribute")) {
+		if (context->stack_head && context->stack_head->data) {
+			int ret = sdp_attr_add(context->sdprec,
+					       context->attrId,
+					       context->stack_head->data);
+			if (ret == -1)
+				debug("Trouble adding attribute\n");
+
+			context->stack_head->data = 0;
+			sdp_xml_data_free(context->stack_head);
+			context->stack_head = 0;
+		} else {
+			debug("No Data for attribute: %d\n",
+			      context->attrId);
+		}
+
+		return;
+	} else if (!strcmp(el, "sequence")) {
+		context->stack_head->data->unitSize =
+		    compute_seq_size(context->stack_head->data);
+
+		if (context->stack_head->data->unitSize > USHRT_MAX) {
+			context->stack_head->data->unitSize +=
+			    sizeof(uint32_t);
+			context->stack_head->data->dtd = SDP_SEQ32;
+		} else if (context->stack_head->data->unitSize > UCHAR_MAX) {
+			context->stack_head->data->unitSize +=
+			    sizeof(uint16_t);
+			context->stack_head->data->dtd = SDP_SEQ16;
+		} else {
+			context->stack_head->data->unitSize +=
+			    sizeof(uint8_t);
+		}
+	} else if (!strcmp(el, "alternate")) {
+		context->stack_head->data->unitSize =
+		    compute_seq_size(context->stack_head->data);
+
+		if (context->stack_head->data->unitSize > USHRT_MAX) {
+			context->stack_head->data->unitSize +=
+			    sizeof(uint32_t);
+			context->stack_head->data->dtd = SDP_ALT32;
+		} else if (context->stack_head->data->unitSize > UCHAR_MAX) {
+			context->stack_head->data->unitSize +=
+			    sizeof(uint16_t);
+			context->stack_head->data->dtd = SDP_ALT16;
+		} else {
+			context->stack_head->data->unitSize +=
+			    sizeof(uint8_t);
+		}
+	}
+
+	/* If we're not inside a seq or alt, then we're inside an attribute
+	   which will be taken care of later
+	 */
+	if (context->stack_head->next &&
+		context->stack_head->data && context->stack_head->next->data) {
+		switch (context->stack_head->next->data->dtd) {
+		case SDP_SEQ8:
+		case SDP_SEQ16:
+		case SDP_SEQ32:
+		case SDP_ALT8:
+		case SDP_ALT16:
+		case SDP_ALT32:
+			context->stack_head->next->data->val.
+			    dataseq =
+			    sdp_seq_append(context->
+					   stack_head->
+					   next->data->
+					   val.dataseq,
+					   context->stack_head->data);
+			context->stack_head->data = 0;
+			break;
+		}
+
+		elem = context->stack_head;
+		context->stack_head = context->stack_head->next;
+
+		sdp_xml_data_free(elem);
+	}
+}
+
+static struct sdp_xml_context *sdp_xml_init_context()
+{
+	struct sdp_xml_context *context;
+
+	context = malloc(sizeof(struct sdp_xml_context));
+
+	if (!context)
+		return NULL;
+
+	context->parser = 0;
+	context->sdprec = 0;
+	context->stack_head = 0;
+
+	context->parser = XML_ParserCreate(NULL);
+	XML_SetElementHandler(context->parser, convert_xml_to_sdp_start,
+			      convert_xml_to_sdp_end);
+	XML_SetUserData(context->parser, context);
+
+	if (!context->parser)
+		goto fail;
+
+	context->sdprec = sdp_record_alloc();
+
+	if (!context->sdprec)
+		goto fail;
+
+	return context;
+
+fail:
+	if (context->parser)
+		free(context->parser);
+
+	if (context->sdprec)
+		sdp_record_free(context->sdprec);
+
+	if (context)
+		free(context);
+
+	return NULL;
+}
+
+static void sdp_xml_free_context(struct sdp_xml_context *context)
+{
+	struct sdp_xml_data *elem;
+
+	/* Free the stack */
+	while (context->stack_head) {
+		elem = context->stack_head;
+		context->stack_head = elem->next;
+		sdp_xml_data_free(elem);
+	}
+
+	XML_ParserFree(context->parser);
+
+	free(context);
+}
+
+static int sdp_xml_parse_chunk(struct sdp_xml_context *context,
+					const char *data, int size, int final)
+{
+	if (!XML_Parse(context->parser, data, size, final)) {
+		error("Parse error at line %d: %s\n",
+			XML_GetCurrentLineNumber(context->parser),
+			XML_ErrorString(XML_GetErrorCode(context->parser)));
+		return -1;
+	}
+
+	return 0;
+}
+
+sdp_record_t *sdp_xml_parse_record(const char *data, int size)
+{
+	struct sdp_xml_context *context;
+	sdp_record_t *record;
+
+	context = sdp_xml_init_context();
+
+	if (sdp_xml_parse_chunk(context, data, size, 1) < 0) {
+		sdp_record_free(context->sdprec);
+		sdp_xml_free_context(context);
+		return NULL;
+	}
+
+	record = context->sdprec;
+
+	sdp_xml_free_context(context);
+
+	return record;
+}
diff --git a/common/sdp-xml.c b/common/sdp-xml.c
index ee5601ee..8b290b88 100644
--- a/common/sdp-xml.c
+++ b/common/sdp-xml.c
@@ -31,17 +31,20 @@
 #include <malloc.h>
 #include <string.h>
 #include <limits.h>
+#include <stdlib.h>
 
 #include <bluetooth/sdp.h>
 #include <bluetooth/sdp_lib.h>
 
+#include "logging.h"
+
 #include "sdp-xml.h"
 
-#define STRBUFSIZE 256
+#define STRBUFSIZE 1024
 #define MAXINDENT 64
 
 static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
-		void *data, void (*appender) (void *, const char *))
+		void *data, void (*appender)(void *, const char *))
 {
 	int i, hex;
 	char buf[STRBUFSIZE];
@@ -70,12 +73,14 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, indent);
 		appender(data, "<nil/>\n");
 		break;
+
 	case SDP_BOOL:
 		appender(data, indent);
 		appender(data, "<boolean value=\"");
 		appender(data, value->val.uint8 ? "true" : "false");
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_UINT8:
 		appender(data, indent);
 		appender(data, "<uint8 value=\"");
@@ -83,6 +88,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_UINT16:
 		appender(data, indent);
 		appender(data, "<uint16 value=\"");
@@ -90,6 +96,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_UINT32:
 		appender(data, indent);
 		appender(data, "<uint32 value=\"");
@@ -97,6 +104,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_UINT64:
 		appender(data, indent);
 		appender(data, "<uint64 value=\"");
@@ -104,6 +112,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_UINT128:
 		appender(data, indent);
 		appender(data, "<uint128 value=\"");
@@ -116,6 +125,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_INT8:
 		appender(data, indent);
 		appender(data, "<int8 value=\"");
@@ -123,6 +133,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_INT16:
 		appender(data, indent);
 		appender(data, "<int16 value=\"");
@@ -130,6 +141,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_INT32:
 		appender(data, indent);
 		appender(data, "<int32 value=\"");
@@ -137,6 +149,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_INT64:
 		appender(data, indent);
 		appender(data, "<int64 value=\"");
@@ -144,6 +157,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_INT128:
 		appender(data, indent);
 		appender(data, "<int128 value=\"");
@@ -156,22 +170,23 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_UUID16:
 		appender(data, indent);
 		appender(data, "<uuid value=\"");
-		snprintf(buf, STRBUFSIZE - 1, "0x%04x",
-			 value->val.uuid.value.uuid16);
+		snprintf(buf, STRBUFSIZE - 1, "0x%04x", value->val.uuid.value.uuid16);
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_UUID32:
 		appender(data, indent);
 		appender(data, "<uuid value=\"");
-		snprintf(buf, STRBUFSIZE - 1, "0x%08x",
-			 value->val.uuid.value.uuid32);
+		snprintf(buf, STRBUFSIZE - 1, "0x%08x", value->val.uuid.value.uuid32);
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_UUID128:
 		appender(data, indent);
 		appender(data, "<uuid value=\"");
@@ -214,6 +229,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, buf);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_TEXT_STR8:
 	case SDP_TEXT_STR16:
 	case SDP_TEXT_STR32:
@@ -256,7 +272,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 			   This is safe for Normal strings, but not
 			   hex encoded data */
 			for (i = 0; i < (value->unitSize-1); i++)
-				sprintf(&strBuf[i * sizeof (char) * 2],
+				sprintf(&strBuf[i*sizeof(char)*2],
 					"%02x",
 					(unsigned char) value->val.str[i]);
 
@@ -306,6 +322,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		free(strBuf);
 		break;
 	}
+
 	case SDP_URL_STR8:
 	case SDP_URL_STR16:
 	case SDP_URL_STR32:
@@ -314,6 +331,7 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, value->val.str);
 		appender(data, "\" />\n");
 		break;
+
 	case SDP_SEQ8:
 	case SDP_SEQ16:
 	case SDP_SEQ32:
@@ -321,13 +339,13 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, "<sequence>\n");
 
 		convert_raw_data_to_xml(value->val.dataseq,
-					indent_level + 1, data,
-					appender);
+					indent_level + 1, data, appender);
 					
 		appender(data, indent);
 		appender(data, "</sequence>\n");
 		
 		break;
+
 	case SDP_ALT8:
 	case SDP_ALT16:
 	case SDP_ALT32:
@@ -336,25 +354,20 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level,
 		appender(data, "<alternate>\n");
 
 		convert_raw_data_to_xml(value->val.dataseq,
-					indent_level + 1, data,
-					appender);
+					indent_level + 1, data, appender);
 		appender(data, indent);
 
 		appender(data, "</alternate>\n");
 	       
 		break;
-	default:
-		break;
 	}
 
-	convert_raw_data_to_xml(value->next, indent_level, data,
-				appender);
+	convert_raw_data_to_xml(value->next, indent_level, data, appender);
 }
 
-struct conversion_data
-{
+struct conversion_data {
 	void *data;
-	void (*appender) (void *data, const char *);
+	void (*appender)(void *data, const char *);
 };
 
 static void convert_raw_attr_to_xml_func(void *val, void *data)
@@ -369,8 +382,7 @@ static void convert_raw_attr_to_xml_func(void *val, void *data)
 	cd->appender(cd->data, buf);
 
 	if (data)
-		convert_raw_data_to_xml(value, 2, cd->data,
-					cd->appender);
+		convert_raw_data_to_xml(value, 2, cd->data, cd->appender);
 	else
 		cd->appender(cd->data, "\t\tNULL\n");
 
@@ -378,13 +390,13 @@ static void convert_raw_attr_to_xml_func(void *val, void *data)
 }
 
 /*
-    Will convert the sdp record to XML.  The appender and data can be used
-    to control where to output the record (e.g. file or a data buffer).  The
-    appender will be called repeatedly with data and the character buffer
-    (containing parts of the generated XML) to append.
-*/
+ * Will convert the sdp record to XML.  The appender and data can be used
+ * to control where to output the record (e.g. file or a data buffer).  The
+ * appender will be called repeatedly with data and the character buffer
+ * (containing parts of the generated XML) to append.
+ */
 void convert_sdp_record_to_xml(sdp_record_t *rec,
-		void *data, void (*appender) (void *, const char *))
+			void *data, void (*appender)(void *, const char *))
 {
 	struct conversion_data cd;
 
@@ -399,3 +411,293 @@ void convert_sdp_record_to_xml(sdp_record_t *rec,
 		appender(data, "</record>\n");
 	}
 }
+
+static sdp_data_t *sdp_xml_parse_uuid128(const char *data)
+{
+	uint128_t val;
+	int i;
+	int j;
+
+	char buf[3];
+
+	memset(&val, 0, sizeof(val));
+
+	buf[2] = '\0';
+
+	for (j = 0, i = 0; i < strlen(data);) {
+		if (data[i] == '-') {
+			i++;
+			continue;
+		}
+
+		buf[0] = data[i];
+		buf[1] = data[i + 1];
+
+		val.data[j++] = strtoul(buf, 0, 16);
+		i += 2;
+	}
+
+	return sdp_data_alloc(SDP_UUID128, &val);
+}
+
+sdp_data_t *sdp_xml_parse_uuid(const char *data)
+{
+	int len;
+	char *endptr;
+	uint32_t val;
+	uint16_t val2 = val;
+
+	len = strlen(data);
+
+	if (len == 36)
+		return sdp_xml_parse_uuid128(data);
+
+	val = strtoll(data, &endptr, 16);
+
+	/* Couldn't parse */
+	if (*endptr != '\0')
+		return NULL;
+
+	if (val > USHRT_MAX)
+		return sdp_data_alloc(SDP_UUID32, &val);
+
+	return sdp_data_alloc(SDP_UUID16, &val2);
+
+	/* Should never get here */
+	return NULL;
+}
+
+sdp_data_t *sdp_xml_parse_int(const char * data, uint8_t dtd)
+{
+	char *endptr;
+	sdp_data_t *ret = NULL;
+
+	switch (dtd) {
+	case SDP_BOOL:
+	{
+		uint8_t val = 0;
+
+		if (!strcmp("true", data)) {
+			val = 1;
+		}
+		
+		else if (!strcmp("false", data)) {
+			val = 0;
+		}
+		else {
+			return NULL;
+		}
+		
+		ret = sdp_data_alloc(dtd, &val);
+		break;
+	}
+
+	case SDP_INT8:
+	{
+		int8_t val = strtoul(data, &endptr, 0);
+
+       		/* Failed to parse */
+		if ((endptr != data) && (*endptr != '\0'))
+			return NULL;		
+
+		ret = sdp_data_alloc(dtd, &val);
+		break;
+	}
+
+	case SDP_UINT8:
+	{
+		uint8_t val = strtoul(data, &endptr, 0);
+
+		/* Failed to parse */
+		if ((endptr != data) && (*endptr != '\0'))
+			return NULL;
+		
+		ret = sdp_data_alloc(dtd, &val);
+		break;
+	}
+
+	case SDP_INT16:
+	{
+		int16_t val = strtoul(data, &endptr, 0);
+
+		/* Failed to parse */
+		if ((endptr != data) && (*endptr != '\0'))
+			return NULL;
+	
+		ret = sdp_data_alloc(dtd, &val);
+		break;
+	}
+
+	case SDP_UINT16:
+	{
+		uint16_t val = strtoul(data, &endptr, 0);
+
+       		/* Failed to parse */
+		if ((endptr != data) && (*endptr != '\0'))
+			return NULL;		
+
+		ret = sdp_data_alloc(dtd, &val);
+		break;
+	}
+
+	case SDP_INT32:
+	{
+		int32_t val = strtoul(data, &endptr, 0);
+
+       		/* Failed to parse */
+		if ((endptr != data) && (*endptr != '\0'))
+			return NULL;		
+		
+		ret = sdp_data_alloc(dtd, &val);
+		break;
+	}
+
+	case SDP_UINT32:
+	{
+		uint32_t val = strtoul(data, &endptr, 0);
+
+       		/* Failed to parse */
+		if ((endptr != data) && (*endptr != '\0'))
+			return NULL;		
+
+		ret = sdp_data_alloc(dtd, &val);
+		break;
+	}
+
+	case SDP_INT64:
+	{
+		int64_t val = strtoull(data, &endptr, 0);
+		
+       		/* Failed to parse */
+		if ((endptr != data) && (*endptr != '\0'))
+			return NULL;		
+		
+		ret = sdp_data_alloc(dtd, &val);
+		break;
+	}
+
+	case SDP_UINT64:
+	{
+		uint64_t val = strtoull(data, &endptr, 0);
+
+       		/* Failed to parse */
+		if ((endptr != data) && (*endptr != '\0'))
+			return NULL;		
+
+		ret = sdp_data_alloc(dtd, &val);
+		break;
+	}
+
+	case SDP_INT128:
+	case SDP_UINT128:
+	{
+		uint128_t val;
+		int i = 0;
+		char buf[3];
+
+		buf[2] = '\0';
+
+		for (; i < 32; i += 2) {
+			buf[0] = data[i];
+			buf[1] = data[i + 1];
+
+			val.data[i] = strtoul(buf, 0, 16);
+		}
+
+		ret = sdp_data_alloc(dtd, &val);
+		break;
+	}
+
+	};
+
+	return ret;
+}
+
+static sdp_data_t *sdp_xml_parse_url_with_size(const char *data, uint8_t dtd)
+{
+	return sdp_data_alloc(dtd, data);
+}
+
+sdp_data_t *sdp_xml_parse_url(const char *data)
+{
+	uint8_t dtd = SDP_URL_STR8;
+
+	if (strlen(data) > UCHAR_MAX)
+		dtd = SDP_URL_STR16;
+
+	return sdp_xml_parse_url_with_size(data, dtd);
+}
+
+static char *sdp_xml_parse_text_decode(const char *data, char encoding, uint32_t *length)
+{
+	int len = strlen(data);
+	char *text;
+
+	if (encoding == SDP_XML_ENCODING_NORMAL) {
+		text = strdup(data);
+		*length = len;
+	} else {
+		char buf[3], *decoded;
+		int i;
+
+		decoded = malloc((len >> 1) + 1);
+
+		/* Ensure the string is a power of 2 */
+		len = (len >> 1) << 1;
+
+		buf[2] = '\0';
+
+		for (i = 0; i < len; i += 2) {
+			buf[0] = data[i];
+			buf[1] = data[i + 1];
+
+			decoded[i >> 1] = strtoul(buf, 0, 16);
+		}
+
+		decoded[len >> 1] = '\0';
+		text = decoded;
+		*length = len >> 1;
+	}
+
+	return text;
+}
+
+#if 0
+static sdp_data_t *sdp_xml_parse_text_with_size(const char *data, char encoding, uint8_t dtd)
+{
+	char *text;
+	uint32_t length;
+	sdp_data_t *ret;
+
+	text = sdp_xml_parse_text_decode(data, encoding, &length);
+	ret = sdp_data_alloc_with_length(dtd, text, length);
+
+	debug("Unit size %d length %d: -->%s<--\n", ret->unitSize, length, text);
+
+	return ret;
+}
+#endif
+
+sdp_data_t *sdp_xml_parse_text(const char *data, char encoding)
+{
+	uint8_t dtd = SDP_TEXT_STR8;
+	char *text;
+	uint32_t length;
+	sdp_data_t *ret;
+
+	text = sdp_xml_parse_text_decode(data, encoding, &length);
+
+	if (length > UCHAR_MAX)
+		dtd = SDP_TEXT_STR16;
+
+	ret = sdp_data_alloc_with_length(dtd, text, length);
+
+	debug("Unit size %d length %d: -->%s<--\n", ret->unitSize, length, text);
+
+	return ret;
+}
+
+sdp_data_t *sdp_xml_parse_nil(const char *data)
+{
+	return sdp_data_alloc(SDP_DATA_NIL, 0);
+}
diff --git a/common/sdp-xml.h b/common/sdp-xml.h
index 5e6bb7ce..16bea948 100644
--- a/common/sdp-xml.h
+++ b/common/sdp-xml.h
@@ -27,7 +27,18 @@
 
 #include <bluetooth/sdp.h>
 
+#define SDP_XML_ENCODING_NORMAL	0
+#define SDP_XML_ENCODING_HEX	1
+
 void convert_sdp_record_to_xml(sdp_record_t *rec,
 		void *user_data, void (*append_func) (void *, const char *));
 
+sdp_data_t *sdp_xml_parse_nil(const char *data);
+sdp_data_t *sdp_xml_parse_text(const char *data, char encoding);
+sdp_data_t *sdp_xml_parse_url(const char *data);
+sdp_data_t *sdp_xml_parse_int(const char *data, uint8_t dtd);
+sdp_data_t *sdp_xml_parse_uuid(const char *data);
+
+sdp_record_t *sdp_xml_parse_record(const char *data, int size);
+		
 #endif /* __SDP_XML_H */