From: Slawomir Bochenski <[email protected]>
---
src/map_ap.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 97 insertions(+), 1 deletions(-)
diff --git a/src/map_ap.c b/src/map_ap.c
index 04b370f..657d86b 100644
--- a/src/map_ap.c
+++ b/src/map_ap.c
@@ -25,6 +25,10 @@
#include <config.h>
#endif
+#include <string.h>
+
+#include "log.h"
+
#include "map_ap.h"
enum ap_type {
@@ -103,6 +107,13 @@ struct ap_entry {
} val;
};
+/* This comes from OBEX specs */
+struct obex_ap_header {
+ uint8_t tag;
+ uint8_t len;
+ uint8_t val[0];
+} __attribute__ ((packed));
+
static int find_ap_def_offset(uint8_t tag)
{
int i;
@@ -141,9 +152,94 @@ void map_ap_free(map_ap_t *ap)
g_hash_table_destroy(ap);
}
+static void ap_decode_u8(map_ap_t *ap, const struct obex_ap_header *hdr)
+{
+ if (hdr->len != 1) {
+ DBG("Value of tag %d is %d bytes long instead of expected "
+ "1 byte - skipped!", hdr->tag, hdr->len);
+ return;
+ }
+
+ map_ap_set_u8(ap, hdr->tag, hdr->val[0]);
+}
+
+static void ap_decode_u16(map_ap_t *ap, const struct obex_ap_header *hdr)
+{
+ uint16_t val;
+
+ if (hdr->len != 2) {
+ DBG("Value of tag %d is %d bytes long instead of expected "
+ "2 bytes - skipped!", hdr->tag, hdr->len);
+ return;
+ }
+
+ memcpy(&val, hdr->val, sizeof(val));
+ map_ap_set_u16(ap, hdr->tag, GUINT16_FROM_BE(val));
+}
+
+static void ap_decode_u32(map_ap_t *ap, const struct obex_ap_header *hdr)
+{
+ uint32_t val;
+
+ if (hdr->len != 4) {
+ DBG("Value of tag %d is %d bytes long instead of expected "
+ "4 bytes - skipped!", hdr->tag, hdr->len);
+ return;
+ }
+
+ memcpy(&val, hdr->val, sizeof(val));
+ map_ap_set_u32(ap, hdr->tag, GUINT32_FROM_BE(val));
+}
+
+static void ap_decode_str(map_ap_t *ap, const struct obex_ap_header *hdr)
+{
+ char *val = g_malloc0(hdr->len + 1);
+
+ memcpy(val, hdr->val, hdr->len);
+ map_ap_set_string(ap, hdr->tag, val);
+
+ g_free(val);
+}
+
map_ap_t *map_ap_decode(const uint8_t *buffer, size_t length)
{
- return NULL;
+ map_ap_t *ap;
+ struct obex_ap_header *hdr;
+ uint32_t done;
+ int offset;
+
+ ap = map_ap_new();
+ if (!ap)
+ return NULL;
+
+ for (done = 0; done < length; done += hdr->len + sizeof(*hdr)) {
+ hdr = (void *) buffer + done;
+
+ offset = find_ap_def_offset(hdr->tag);
+
+ if (offset < 0) {
+ DBG("Unknown tag %d (length %d) - skipped.",
+ hdr->tag, hdr->len);
+ continue;
+ }
+
+ switch (ap_defs[offset].type) {
+ case APT_UINT8:
+ ap_decode_u8(ap, hdr);
+ break;
+ case APT_UINT16:
+ ap_decode_u16(ap, hdr);
+ break;
+ case APT_UINT32:
+ ap_decode_u32(ap, hdr);
+ break;
+ case APT_STR:
+ ap_decode_str(ap, hdr);
+ break;
+ }
+ }
+
+ return ap;
}
uint8_t *map_ap_encode(map_ap_t *ap, size_t *length)
--
1.7.5.1