Adding upstream version 2.9.5.upstream/2.9.5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 779 insertions, 0 deletions

diff --git a/addons/wurfl/wurfl.c b/addons/wurfl/wurfl.c
new file mode 100644
index 0000000..4df6473
--- /dev/null
+++ b/addons/wurfl/wurfl.c
@@ -0,0 +1,779 @@
+#include <stdio.h>
+#include <stdarg.h>
+
+#include <import/ebmbtree.h>
+#include <import/ebsttree.h>
+
+#include <haproxy/api.h>
+#include <haproxy/arg.h>
+#include <haproxy/buf-t.h>
+#include <haproxy/cfgparse.h>
+#include <haproxy/chunk.h>
+#include <haproxy/errors.h>
+#include <haproxy/global.h>
+#include <haproxy/http_ana.h>
+#include <haproxy/http_fetch.h>
+#include <haproxy/http_htx.h>
+#include <haproxy/log.h>
+#include <haproxy/sample.h>
+#include <haproxy/tools.h>
+
+#include <wurfl/wurfl.h>
+
+static struct {
+	char *data_file; /* the WURFL data file */
+	char *cache_size; /* the WURFL cache parameters */
+	struct list patch_file_list; /* the list of WURFL patch file to use */
+	char information_list_separator; /* the separator used in request to separate values */
+	struct list information_list; /* the list of WURFL data to return into request */
+	void *handle; /* the handle to WURFL engine */
+	struct eb_root btree; /* btree containing info (name/type) on WURFL data to return */
+} global_wurfl = {
+	.data_file = NULL,
+	.cache_size = NULL,
+	.information_list_separator = ',',
+	.information_list = LIST_HEAD_INIT(global_wurfl.information_list),
+	.patch_file_list = LIST_HEAD_INIT(global_wurfl.patch_file_list),
+	.handle = NULL,
+};
+
+#ifdef WURFL_DEBUG
+inline static void ha_wurfl_log(char * message, ...)
+{
+	char logbuf[256];
+	va_list argp;
+
+	va_start(argp, message);
+	vsnprintf(logbuf, sizeof(logbuf), message, argp);
+	va_end(argp);
+	send_log(NULL, LOG_NOTICE, "%s", logbuf);
+}
+#else
+inline static void ha_wurfl_log(char * message, ...)
+{
+}
+#endif
+
+#define HA_WURFL_MAX_HEADER_LENGTH 1024
+
+typedef char *(*PROP_CALLBACK_FUNC)(wurfl_handle wHandle, wurfl_device_handle dHandle);
+
+enum wurfl_data_type {
+	HA_WURFL_DATA_TYPE_UNKNOWN = 0,
+	HA_WURFL_DATA_TYPE_CAP = 100,
+	HA_WURFL_DATA_TYPE_VCAP = 200,
+	HA_WURFL_DATA_TYPE_PROPERTY = 300
+};
+
+typedef struct {
+	char *name;
+	enum wurfl_data_type type;
+	PROP_CALLBACK_FUNC func_callback;
+	struct ebmb_node nd;
+} wurfl_data_t;
+
+static const char HA_WURFL_MODULE_VERSION[] = "2.0";
+static const char HA_WURFL_ISDEVROOT_FALSE[] = "FALSE";
+static const char HA_WURFL_ISDEVROOT_TRUE[] = "TRUE";
+
+static const char HA_WURFL_DATA_TYPE_UNKNOWN_STRING[] = "unknown";
+static const char HA_WURFL_DATA_TYPE_CAP_STRING[] = "capability";
+static const char HA_WURFL_DATA_TYPE_VCAP_STRING[] = "virtual_capability";
+static const char HA_WURFL_DATA_TYPE_PROPERTY_STRING[] = "property";
+
+static const char *ha_wurfl_retrieve_header(const char *header_name, const void *wh);
+static const char *ha_wurfl_get_wurfl_root_id (wurfl_handle wHandle, wurfl_device_handle dHandle);
+static const char *ha_wurfl_get_wurfl_id (wurfl_handle wHandle, wurfl_device_handle dHandle);
+static const char *ha_wurfl_get_wurfl_isdevroot (wurfl_handle wHandle, wurfl_device_handle dHandle);
+static const char *ha_wurfl_get_wurfl_useragent (wurfl_handle wHandle, wurfl_device_handle dHandle);
+static const char *ha_wurfl_get_wurfl_api_version (wurfl_handle wHandle, wurfl_device_handle dHandle);
+static const char *ha_wurfl_get_wurfl_engine_target (wurfl_handle wHandle, wurfl_device_handle dHandle);
+static const char *ha_wurfl_get_wurfl_info (wurfl_handle wHandle, wurfl_device_handle dHandle);
+static const char *ha_wurfl_get_wurfl_last_load_time (wurfl_handle wHandle, wurfl_device_handle dHandle);
+static const char *ha_wurfl_get_wurfl_normalized_useragent (wurfl_handle wHandle, wurfl_device_handle dHandle);
+static const char *ha_wurfl_get_wurfl_useragent_priority (wurfl_handle wHandle, wurfl_device_handle dHandle);
+static const char *(*ha_wurfl_get_property_callback(char *name)) (wurfl_handle wHandle, wurfl_device_handle dHandle);
+
+// ordered property=>function map, suitable for binary search
+static const struct {
+	const char *name;
+	const char *(*func)(wurfl_handle wHandle, wurfl_device_handle dHandle);
+} wurfl_properties_function_map [] = {
+	{"wurfl_api_version", ha_wurfl_get_wurfl_api_version},
+	{"wurfl_engine_target", ha_wurfl_get_wurfl_engine_target}, // kept for backward conf file compat
+	{"wurfl_id", ha_wurfl_get_wurfl_id },
+	{"wurfl_info", ha_wurfl_get_wurfl_info },
+	{"wurfl_isdevroot", ha_wurfl_get_wurfl_isdevroot},
+	{"wurfl_last_load_time", ha_wurfl_get_wurfl_last_load_time},
+	{"wurfl_normalized_useragent", ha_wurfl_get_wurfl_normalized_useragent},
+	{"wurfl_root_id", ha_wurfl_get_wurfl_root_id},
+	{"wurfl_useragent", ha_wurfl_get_wurfl_useragent},
+	{"wurfl_useragent_priority", ha_wurfl_get_wurfl_useragent_priority }, // kept for backward conf file compat
+};
+static const int HA_WURFL_PROPERTIES_NBR = 10;
+
+typedef struct {
+	struct list list;
+	wurfl_data_t data;
+} wurfl_information_t;
+
+typedef struct {
+	struct list list;
+	char *patch_file_path;
+} wurfl_patches_t;
+
+typedef struct {
+	struct sample *wsmp;
+	char header_value[HA_WURFL_MAX_HEADER_LENGTH + 1];
+} ha_wurfl_header_t;
+
+/*
+ * configuration parameters parsing functions
+ */
+static int ha_wurfl_cfg_data_file(char **args, int section_type, struct proxy *curpx,
+                                  const struct proxy *defpx, const char *file, int line,
+                                  char **err)
+{
+
+	if (*(args[1]) == 0) {
+		memprintf(err, "WURFL: %s expects a value.\n", args[0]);
+		return -1;
+	}
+
+	global_wurfl.data_file = strdup(args[1]);
+	return 0;
+}
+
+static int ha_wurfl_cfg_cache(char **args, int section_type, struct proxy *curpx,
+                              const struct proxy *defpx, const char *file, int line,
+                              char **err)
+{
+	if (*(args[1]) == 0) {
+		memprintf(err, "WURFL: %s expects a value.\n", args[0]);
+		return -1;
+	}
+
+	global_wurfl.cache_size = strdup(args[1]);
+	return 0;
+}
+
+static int ha_wurfl_cfg_engine_mode(char **args, int section_type, struct proxy *curpx,
+                                    const struct proxy *defpx, const char *file, int line,
+                                    char **err)
+{
+	// kept for backward conf file compat
+	return 0;
+}
+
+static int ha_wurfl_cfg_information_list_separator(char **args, int section_type, struct proxy *curpx,
+                                                   const struct proxy *defpx, const char *file, int line,
+                                                   char **err)
+{
+	if (*(args[1]) == 0) {
+		memprintf(err, "WURFL: %s expects a single character.\n", args[0]);
+		return -1;
+	}
+
+	if (strlen(args[1]) > 1) {
+		memprintf(err, "WURFL: %s expects a single character, got %s.\n", args[0], args[1]);
+		return -1;
+	}
+
+	global_wurfl.information_list_separator = *args[1];
+	return 0;
+}
+
+static int ha_wurfl_cfg_information_list(char **args, int section_type, struct proxy *curpx,
+                                         const struct proxy *defpx, const char *file, int line,
+                                         char **err)
+{
+	int argIdx = 1;
+	wurfl_information_t *wi;
+
+	if (*(args[argIdx]) == 0) {
+		memprintf(err, "WURFL: %s expects a value.\n", args[0]);
+		return -1;
+	}
+
+	while (*(args[argIdx])) {
+		wi = calloc(1, sizeof(*wi));
+
+		if (wi == NULL) {
+			memprintf(err, "WURFL: Error allocating memory for %s element.\n", args[0]);
+			return -1;
+		}
+
+		wi->data.name = strdup(args[argIdx]);
+		wi->data.type = HA_WURFL_DATA_TYPE_UNKNOWN;
+		wi->data.func_callback = NULL;
+		LIST_APPEND(&global_wurfl.information_list, &wi->list);
+		++argIdx;
+	}
+
+	return 0;
+}
+
+static int ha_wurfl_cfg_patch_file_list(char **args, int section_type, struct proxy *curpx,
+                                        const struct proxy *defpx, const char *file, int line,
+                                        char **err)
+{
+	int argIdx = 1;
+	wurfl_patches_t *wp;
+
+	if (*(args[argIdx]) == 0) {
+		memprintf(err, "WURFL: %s expects a value.\n", args[0]);
+		return -1;
+	}
+
+	while (*(args[argIdx])) {
+		wp = calloc(1, sizeof(*wp));
+
+		if (wp == NULL) {
+			memprintf(err, "WURFL: Error allocating memory for %s element.\n", args[0]);
+			return -1;
+		}
+
+		wp->patch_file_path = strdup(args[argIdx]);
+		LIST_APPEND(&global_wurfl.patch_file_list, &wp->list);
+		++argIdx;
+	}
+
+	return 0;
+}
+
+static int ha_wurfl_cfg_useragent_priority(char **args, int section_type, struct proxy *curpx,
+                                           const struct proxy *defpx, const char *file, int line,
+                                           char **err)
+{
+	// this feature is deprecated, keeping only not to break compatibility
+	// with old configuration files.
+	return 0;
+}
+
+/*
+ * module init / deinit functions. Returns 0 if OK, or a combination of ERR_*.
+ */
+
+static int ha_wurfl_init(void)
+{
+	wurfl_information_t *wi;
+	wurfl_patches_t *wp;
+	wurfl_data_t * wn;
+	int wurfl_result_code = WURFL_OK;
+	int len;
+
+	// wurfl-data-file not configured, WURFL is not used so don't try to
+	// configure it.
+	if (global_wurfl.data_file == NULL)
+		return ERR_NONE;
+
+	ha_notice("WURFL: Loading module v.%s\n", HA_WURFL_MODULE_VERSION);
+	// creating WURFL handler
+	global_wurfl.handle = wurfl_create();
+
+	if (global_wurfl.handle == NULL) {
+		ha_warning("WURFL: Engine handler creation failed\n");
+		return ERR_WARN;
+	}
+
+	ha_notice("WURFL: Engine handler created - API version %s\n", wurfl_get_api_version() );
+
+	// set wurfl data file
+	if (wurfl_set_root(global_wurfl.handle, global_wurfl.data_file) != WURFL_OK) {
+		ha_warning("WURFL: Engine setting root file failed - %s\n", wurfl_get_error_message(global_wurfl.handle));
+		return ERR_WARN;
+	}
+
+	ha_notice("WURFL: Engine root file set to %s\n", global_wurfl.data_file);
+	// just a log to inform which separator char has to be used
+	ha_notice("WURFL: Information list separator set to '%c'\n", global_wurfl.information_list_separator);
+
+	// load wurfl data needed ( and filter whose are supposed to be capabilities )
+	if (LIST_ISEMPTY(&global_wurfl.information_list)) {
+		ha_warning("WURFL: missing wurfl-information-list parameter in global configuration\n");
+		return ERR_WARN;
+	} else {
+		// ebtree initialization
+		global_wurfl.btree = EB_ROOT;
+
+		// checking if information is valid WURFL data ( cap, vcaps, properties )
+		list_for_each_entry(wi, &global_wurfl.information_list, list) {
+			// check if information is already loaded looking into btree
+			if (ebst_lookup(&global_wurfl.btree, wi->data.name) == NULL) {
+				if ((wi->data.func_callback = (PROP_CALLBACK_FUNC) ha_wurfl_get_property_callback(wi->data.name)) != NULL) {
+					wi->data.type = HA_WURFL_DATA_TYPE_PROPERTY;
+#ifdef WURFL_DEBUG
+					ha_notice("WURFL: [%s] is a valid wurfl data [property]\n",wi->data.name);
+#endif
+				} else if (wurfl_has_virtual_capability(global_wurfl.handle, wi->data.name)) {
+					wi->data.type = HA_WURFL_DATA_TYPE_VCAP;
+#ifdef WURFL_DEBUG
+					ha_notice("WURFL: [%s] is a valid wurfl data [virtual capability]\n",wi->data.name);
+#endif
+				} else {
+					// by default a cap type is assumed to be and we control it on engine load
+					wi->data.type = HA_WURFL_DATA_TYPE_CAP;
+
+					if (wurfl_add_requested_capability(global_wurfl.handle, wi->data.name) != WURFL_OK) {
+						ha_warning("WURFL: capability filtering failed - %s\n", wurfl_get_error_message(global_wurfl.handle));
+						return ERR_WARN;
+					}
+
+					ha_notice("WURFL: [%s] treated as wurfl capability. Will check its validity later, on engine load\n",wi->data.name);
+				}
+
+				// ebtree insert here
+				len = strlen(wi->data.name);
+
+				wn = malloc(sizeof(wurfl_data_t) + len + 1);
+
+				if (wn == NULL) {
+					ha_warning("WURFL: Error allocating memory for information tree element.\n");
+					return ERR_WARN;
+				}
+
+				wn->name = wi->data.name;
+				wn->type = wi->data.type;
+				wn->func_callback = wi->data.func_callback;
+				memcpy(wn->nd.key, wi->data.name, len);
+				wn->nd.key[len] = 0;
+
+				if (!ebst_insert(&global_wurfl.btree, &wn->nd)) {
+					ha_warning("WURFL: [%s] not inserted in btree\n",wn->name);
+					return ERR_WARN;
+				}
+
+			} else {
+#ifdef WURFL_DEBUG
+				ha_notice("WURFL: [%s] already loaded\n",wi->data.name);
+#endif
+			}
+
+		}
+
+	}
+
+
+	// adding WURFL patches if needed
+	if (!LIST_ISEMPTY(&global_wurfl.patch_file_list)) {
+
+		list_for_each_entry(wp, &global_wurfl.patch_file_list, list) {
+			if (wurfl_add_patch(global_wurfl.handle, wp->patch_file_path) != WURFL_OK) {
+				ha_warning("WURFL: Engine adding patch file failed - %s\n", wurfl_get_error_message(global_wurfl.handle));
+				return ERR_WARN;
+			}
+			ha_notice("WURFL: Engine patch file added %s\n", wp->patch_file_path);
+
+		}
+
+	}
+
+	// setting cache provider if specified in cfg, otherwise let engine choose
+	if (global_wurfl.cache_size != NULL) {
+		if (strpbrk(global_wurfl.cache_size, ",") != NULL) {
+			wurfl_result_code = wurfl_set_cache_provider(global_wurfl.handle, WURFL_CACHE_PROVIDER_DOUBLE_LRU, global_wurfl.cache_size) ;
+		} else {
+			if (strcmp(global_wurfl.cache_size, "0")) {
+				wurfl_result_code = wurfl_set_cache_provider(global_wurfl.handle, WURFL_CACHE_PROVIDER_LRU, global_wurfl.cache_size) ;
+			} else {
+				wurfl_result_code = wurfl_set_cache_provider(global_wurfl.handle, WURFL_CACHE_PROVIDER_NONE, 0);
+			}
+
+		}
+
+		if (wurfl_result_code != WURFL_OK) {
+			ha_warning("WURFL: Setting cache to [%s] failed - %s\n", global_wurfl.cache_size, wurfl_get_error_message(global_wurfl.handle));
+			return ERR_WARN;
+		}
+
+		ha_notice("WURFL: Cache set to [%s]\n", global_wurfl.cache_size);
+	}
+
+	// loading WURFL engine
+	if (wurfl_load(global_wurfl.handle) != WURFL_OK) {
+		ha_warning("WURFL: Engine load failed - %s\n", wurfl_get_error_message(global_wurfl.handle));
+		return ERR_WARN;
+	}
+
+	ha_notice("WURFL: Engine loaded\n");
+	ha_notice("WURFL: Module load completed\n");
+	return ERR_NONE;
+}
+
+static void ha_wurfl_deinit(void)
+{
+	wurfl_information_t *wi, *wi2;
+	wurfl_patches_t *wp, *wp2;
+
+	send_log(NULL, LOG_NOTICE, "WURFL: Unloading module v.%s\n", HA_WURFL_MODULE_VERSION);
+	wurfl_destroy(global_wurfl.handle);
+	global_wurfl.handle = NULL;
+	ha_free(&global_wurfl.data_file);
+	ha_free(&global_wurfl.cache_size);
+
+	list_for_each_entry_safe(wi, wi2, &global_wurfl.information_list, list) {
+		LIST_DELETE(&wi->list);
+		free(wi);
+	}
+
+	list_for_each_entry_safe(wp, wp2, &global_wurfl.patch_file_list, list) {
+		LIST_DELETE(&wp->list);
+		free(wp);
+	}
+
+	send_log(NULL, LOG_NOTICE, "WURFL: Module unloaded\n");
+}
+
+static int ha_wurfl_get_all(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+	wurfl_device_handle dHandle;
+	struct buffer *temp;
+	wurfl_information_t *wi;
+	ha_wurfl_header_t wh;
+	struct channel *chn;
+	struct htx *htx;
+
+	ha_wurfl_log("WURFL: starting ha_wurfl_get_all\n");
+
+	chn = (smp->strm ? &smp->strm->req : NULL);
+	htx = smp_prefetch_htx(smp, chn, NULL, 1);
+	if (!htx)
+		return 0;
+
+	wh.wsmp = smp;
+
+	dHandle = wurfl_lookup(global_wurfl.handle, &ha_wurfl_retrieve_header, &wh);
+
+	temp = get_trash_chunk();
+	chunk_reset(temp);
+
+	if (!dHandle) {
+		ha_wurfl_log("WURFL: unable to retrieve device from request %s\n", wurfl_get_error_message(global_wurfl.handle));
+		goto wurfl_get_all_completed;
+	}
+
+	list_for_each_entry(wi, &global_wurfl.information_list, list) {
+
+		switch(wi->data.type) {
+		case HA_WURFL_DATA_TYPE_UNKNOWN :
+			ha_wurfl_log("WURFL: %s is of an %s type\n", wi->data.name, HA_WURFL_DATA_TYPE_UNKNOWN_STRING);
+#ifdef WURFL_HEADER_WITH_DETAILS
+			// write WURFL property type and name before its value...
+			chunk_appendf(temp, "%s=%s", HA_WURFL_DATA_TYPE_UNKNOWN_STRING, wi->data.name);
+#endif
+			break;
+		case HA_WURFL_DATA_TYPE_CAP :
+			ha_wurfl_log("WURFL: %s is a %s\n", wi->data.name, HA_WURFL_DATA_TYPE_CAP_STRING);
+#ifdef WURFL_HEADER_WITH_DETAILS
+			// write WURFL property type and name before its value...
+			chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_CAP_STRING, wi->data.name);
+#endif
+			chunk_appendf(temp, "%s", wurfl_device_get_capability(dHandle, wi->data.name));
+			break;
+		case HA_WURFL_DATA_TYPE_VCAP :
+			ha_wurfl_log("WURFL: %s is a %s\n", wi->data.name, HA_WURFL_DATA_TYPE_VCAP_STRING);
+#ifdef WURFL_HEADER_WITH_DETAILS
+			// write WURFL property type and name before its value...
+			chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_VCAP_STRING, wi->data.name);
+#endif
+			chunk_appendf(temp, "%s", wurfl_device_get_virtual_capability(dHandle, wi->data.name));
+			break;
+		case HA_WURFL_DATA_TYPE_PROPERTY :
+			ha_wurfl_log("WURFL: %s is a %s\n", wi->data.name, HA_WURFL_DATA_TYPE_PROPERTY_STRING);
+#ifdef WURFL_HEADER_WITH_DETAILS
+			// write WURFL property type and name before its value...
+			chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_PROPERTY_STRING, wi->data.name);
+#endif
+			chunk_appendf(temp, "%s", wi->data.func_callback(global_wurfl.handle, dHandle));
+			break;
+		}
+
+		// append wurfl-information-list-separator
+		chunk_appendf(temp, "%c", global_wurfl.information_list_separator);
+	}
+
+wurfl_get_all_completed:
+
+	wurfl_device_destroy(dHandle);
+	smp->data.u.str.area = temp->area;
+	smp->data.u.str.data = temp->data;
+
+	// remove trailing wurfl-information-list-separator
+	if (temp->data) {
+		temp->area[temp->data] = '\0';
+		--smp->data.u.str.data;
+	}
+
+	smp->data.type = SMP_T_STR;
+	return 1;
+}
+
+static int ha_wurfl_get(const struct arg *args, struct sample *smp, const char *kw, void *private)
+{
+	wurfl_device_handle dHandle;
+	struct buffer *temp;
+	wurfl_data_t *wn = NULL;
+	struct ebmb_node *node;
+	ha_wurfl_header_t wh;
+	int i = 0;
+	struct channel *chn;
+	struct htx *htx;
+
+	ha_wurfl_log("WURFL: starting ha_wurfl_get\n");
+
+	chn = (smp->strm ? &smp->strm->req : NULL);
+	htx = smp_prefetch_htx(smp, chn, NULL, 1);
+	if (!htx)
+		return 0;
+
+	wh.wsmp = smp;
+
+	dHandle = wurfl_lookup(global_wurfl.handle, &ha_wurfl_retrieve_header, &wh);
+
+	temp = get_trash_chunk();
+	chunk_reset(temp);
+
+	if (!dHandle) {
+		ha_wurfl_log("WURFL: unable to retrieve device from request %s\n", wurfl_get_error_message(global_wurfl.handle));
+		goto wurfl_get_completed;
+	}
+
+	while (args[i].data.str.area) {
+		node = ebst_lookup(&global_wurfl.btree, args[i].data.str.area);
+
+		if (node) {
+
+			wn = container_of(node, wurfl_data_t, nd);
+
+			switch(wn->type) {
+			case HA_WURFL_DATA_TYPE_UNKNOWN :
+				ha_wurfl_log("WURFL: %s is of an %s type\n", wn->name, HA_WURFL_DATA_TYPE_UNKNOWN_STRING);
+#ifdef WURFL_HEADER_WITH_DETAILS
+				// write WURFL property type and name before its value...
+				chunk_appendf(temp, "%s=%s", HA_WURFL_DATA_TYPE_UNKNOWN_STRING, wn->name);
+#endif
+				break;
+			case HA_WURFL_DATA_TYPE_CAP :
+				ha_wurfl_log("WURFL: %s is a %s\n", wn->name, HA_WURFL_DATA_TYPE_CAP_STRING);
+#ifdef WURFL_HEADER_WITH_DETAILS
+				// write WURFL property type and name before its value...
+				chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_CAP_STRING, wn->name);
+#endif
+				chunk_appendf(temp, "%s", wurfl_device_get_capability(dHandle, wn->name));
+				break;
+			case HA_WURFL_DATA_TYPE_VCAP :
+				ha_wurfl_log("WURFL: %s is a %s\n", wn->name, HA_WURFL_DATA_TYPE_VCAP_STRING);
+#ifdef WURFL_HEADER_WITH_DETAILS
+				// write WURFL property type and name before its value...
+				chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_VCAP_STRING, wn->name);
+#endif
+				chunk_appendf(temp, "%s", wurfl_device_get_virtual_capability(dHandle, wn->name));
+				break;
+			case HA_WURFL_DATA_TYPE_PROPERTY :
+				ha_wurfl_log("WURFL: %s is a %s\n", wn->name, HA_WURFL_DATA_TYPE_PROPERTY_STRING);
+#ifdef WURFL_HEADER_WITH_DETAILS
+				// write WURFL property type and name before its value...
+				chunk_appendf(temp, "%s=%s=", HA_WURFL_DATA_TYPE_PROPERTY_STRING, wn->name);
+#endif
+				chunk_appendf(temp, "%s", wn->func_callback(global_wurfl.handle, dHandle));
+				break;
+			}
+
+			// append wurfl-information-list-separator
+			chunk_appendf(temp, "%c", global_wurfl.information_list_separator);
+
+		} else {
+			ha_wurfl_log("WURFL: %s not in wurfl-information-list \n",
+				     args[i].data.str.area);
+		}
+
+		i++;
+	}
+
+wurfl_get_completed:
+
+	wurfl_device_destroy(dHandle);
+	smp->data.u.str.area = temp->area;
+	smp->data.u.str.data = temp->data;
+
+	// remove trailing wurfl-information-list-separator
+	if (temp->data) {
+		temp->area[temp->data] = '\0';
+		--smp->data.u.str.data;
+	}
+
+	smp->data.type = SMP_T_STR;
+	return 1;
+}
+
+static struct cfg_kw_list wurflcfg_kws = {{ }, {
+		{ CFG_GLOBAL, "wurfl-data-file", ha_wurfl_cfg_data_file },
+		{ CFG_GLOBAL, "wurfl-information-list-separator", ha_wurfl_cfg_information_list_separator },
+		{ CFG_GLOBAL, "wurfl-information-list", ha_wurfl_cfg_information_list },
+		{ CFG_GLOBAL, "wurfl-patch-file", ha_wurfl_cfg_patch_file_list },
+		{ CFG_GLOBAL, "wurfl-cache-size", ha_wurfl_cfg_cache },
+		{ CFG_GLOBAL, "wurfl-engine-mode", ha_wurfl_cfg_engine_mode },
+		{ CFG_GLOBAL, "wurfl-useragent-priority", ha_wurfl_cfg_useragent_priority },
+		{ 0, NULL, NULL },
+	}
+};
+
+INITCALL1(STG_REGISTER, cfg_register_keywords, &wurflcfg_kws);
+
+/* Note: must not be declared <const> as its list will be overwritten */
+static struct sample_fetch_kw_list fetch_kws = {ILH, {
+		{ "wurfl-get-all", ha_wurfl_get_all, 0, NULL, SMP_T_STR, SMP_USE_HRQHV },
+		{ "wurfl-get", ha_wurfl_get, ARG12(1,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR,STR), NULL, SMP_T_STR, SMP_USE_HRQHV },
+		{ NULL, NULL, 0, 0, 0 },
+	}
+};
+
+INITCALL1(STG_REGISTER, sample_register_fetches, &fetch_kws);
+
+/* Note: must not be declared <const> as its list will be overwritten */
+static struct sample_conv_kw_list conv_kws = {ILH, {
+		{ NULL, NULL, 0, 0, 0 },
+	}
+};
+
+INITCALL1(STG_REGISTER, sample_register_convs, &conv_kws);
+
+// WURFL properties wrapper functions
+static const char *ha_wurfl_get_wurfl_root_id (wurfl_handle wHandle, wurfl_device_handle dHandle)
+{
+	if (wurfl_device_get_root_id(dHandle))
+		return wurfl_device_get_root_id(dHandle);
+	else
+		return "";
+}
+
+static const char *ha_wurfl_get_wurfl_id (wurfl_handle wHandle, wurfl_device_handle dHandle)
+{
+	return wurfl_device_get_id(dHandle);
+}
+
+static const char *ha_wurfl_get_wurfl_isdevroot (wurfl_handle wHandle, wurfl_device_handle dHandle)
+{
+	if (wurfl_device_is_actual_device_root(dHandle))
+		return HA_WURFL_ISDEVROOT_TRUE;
+	else
+		return HA_WURFL_ISDEVROOT_FALSE;
+}
+
+static const char *ha_wurfl_get_wurfl_useragent (wurfl_handle wHandle, wurfl_device_handle dHandle)
+{
+	return wurfl_device_get_original_useragent(dHandle);
+}
+
+static const char *ha_wurfl_get_wurfl_api_version (wurfl_handle wHandle, wurfl_device_handle dHandle)
+{
+	return wurfl_get_api_version();
+}
+
+static const char *ha_wurfl_get_wurfl_engine_target (wurfl_handle wHandle, wurfl_device_handle dHandle)
+{
+	return "default";
+}
+
+static const char *ha_wurfl_get_wurfl_info (wurfl_handle wHandle, wurfl_device_handle dHandle)
+{
+	return wurfl_get_wurfl_info(wHandle);
+}
+
+static const char *ha_wurfl_get_wurfl_last_load_time (wurfl_handle wHandle, wurfl_device_handle dHandle)
+{
+	return wurfl_get_last_load_time_as_string(wHandle);
+}
+
+static const char *ha_wurfl_get_wurfl_normalized_useragent (wurfl_handle wHandle, wurfl_device_handle dHandle)
+{
+	return wurfl_device_get_normalized_useragent(dHandle);
+}
+
+static const char *ha_wurfl_get_wurfl_useragent_priority (wurfl_handle wHandle, wurfl_device_handle dHandle)
+{
+	return "default";
+}
+
+// call function for WURFL properties
+static const char *(*ha_wurfl_get_property_callback(char *name)) (wurfl_handle wHandle, wurfl_device_handle dHandle)
+{
+	int position;
+	int begin = 0;
+	int end = HA_WURFL_PROPERTIES_NBR - 1;
+	int cond = 0;
+
+	while(begin <= end) {
+		position = (begin + end) / 2;
+
+		if((cond = strcmp(wurfl_properties_function_map[position].name, name)) == 0) {
+			ha_wurfl_log("WURFL: ha_wurfl_get_property_callback match %s\n", wurfl_properties_function_map[position].name );
+			return wurfl_properties_function_map[position].func;
+		} else if(cond < 0)
+			begin = position + 1;
+		else
+			end = position - 1;
+
+	}
+
+	return NULL;
+}
+
+static const char *ha_wurfl_retrieve_header(const char *header_name, const void *wh)
+{
+	struct sample *smp;
+	struct channel *chn;
+	struct htx *htx;
+	struct http_hdr_ctx ctx;
+	struct ist name;
+	int header_len = HA_WURFL_MAX_HEADER_LENGTH;
+
+	smp =  ((ha_wurfl_header_t *)wh)->wsmp;
+	chn = (smp->strm ? &smp->strm->req : NULL);
+
+	ha_wurfl_log("WURFL: retrieve header (HTX) request [%s]\n", header_name);
+
+	//the header is searched from the beginning
+	ctx.blk = NULL;
+
+	// We could skip this check since ha_wurfl_retrieve_header is called from inside
+	// ha_wurfl_get()/ha_wurfl_get_all() that already perform the same check
+	// We choose to keep it in case ha_wurfl_retrieve_header will be called directly
+	htx = smp_prefetch_htx(smp, chn, NULL, 1);
+	if (!htx) {
+		return NULL;
+	}
+
+	name = ist2((char *)header_name, strlen(header_name));
+
+	// If 4th param is set, it works on full-line headers in whose comma is not a delimiter but is
+	// part of the syntax
+	if (!http_find_header(htx, name, &ctx, 1)) {
+		return NULL;
+	}
+
+	if (header_len > ctx.value.len)
+		header_len = ctx.value.len;
+
+	strncpy(((ha_wurfl_header_t *)wh)->header_value, ctx.value.ptr, header_len);
+
+	((ha_wurfl_header_t *)wh)->header_value[header_len] = '\0';
+
+	ha_wurfl_log("WURFL: retrieve header request returns [%s]\n", ((ha_wurfl_header_t *)wh)->header_value);
+	return ((ha_wurfl_header_t *)wh)->header_value;
+}
+
+static void ha_wurfl_register_build_options()
+{
+	const char *ver = wurfl_get_api_version();
+	char *ptr = NULL;
+
+	memprintf(&ptr, "Built with WURFL support (%sversion %s)",
+		  strcmp(ver, "1.11.2.100") ? "" : "dummy library ",
+		  ver);
+	hap_register_build_opts(ptr, 1);
+}
+
+REGISTER_POST_CHECK(ha_wurfl_init);
+REGISTER_POST_DEINIT(ha_wurfl_deinit);
+INITCALL0(STG_REGISTER, ha_wurfl_register_build_options);