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authorUros Majstorovic <majstor@majstor.org>2021-09-01 03:47:19 +0200
committerUros Majstorovic <majstor@majstor.org>2021-09-01 03:47:19 +0200
commitb98a39ddae6a9cd002465bd46c19a1cb9285174b (patch)
tree1d18ab7cd34b2f07b4fbb313f845111d4d09b847 /ecp/src/dir.c
parent2a33ef2344145e12f1eea96214cdb317857321c1 (diff)
updated directory service
Diffstat (limited to 'ecp/src/dir.c')
-rw-r--r--ecp/src/dir.c54
1 files changed, 52 insertions, 2 deletions
diff --git a/ecp/src/dir.c b/ecp/src/dir.c
index 81f564e..8bc7a94 100644
--- a/ecp/src/dir.c
+++ b/ecp/src/dir.c
@@ -3,7 +3,57 @@
#include "dir.h"
-void ecp_dir_parse_item(unsigned char *buf, ECPDirItem *item) {
+static int dir_update(ECPDirList *list, ECPDirItem *item) {
+ int i;
+
+ for (i=0; i<list->count; i++) {
+ if (memcmp(ecp_cr_dh_pub_get_buf(&list->item[i].node.public), ecp_cr_dh_pub_get_buf(&item->node.public), ECP_ECDH_SIZE_KEY) == 0) {
+ return ECP_OK;
+ }
+ }
+
+ if (list->count == ECP_MAX_DIR_ITEM) return ECP_ERR_SIZE;
+
+ list->item[list->count] = *item;
+ list->count++;
+
+ return ECP_OK;
+}
+
+ssize_t ecp_dir_parse(ECPDirList *list, unsigned char *buf, size_t buf_size) {
+ ECPDirItem item;
+ size_t size;
+ int rv;
+
+ size = buf_size;
+ while (size >= ECP_SIZE_DIR_ITEM) {
+ ecp_dir_item_parse(&item, buf);
+
+ rv = dir_update(list, &item);
+ if (rv) return rv;
+
+ buf += ECP_SIZE_DIR_ITEM;
+ size -= ECP_SIZE_DIR_ITEM;
+ };
+
+ return buf_size - size;
+}
+
+int ecp_dir_serialize(ECPDirList *list, unsigned char *buf, size_t buf_size) {
+ int i;
+
+ for (i=0; i<list->count; i++) {
+ if (buf_size < ECP_SIZE_DIR_ITEM) return ECP_ERR_SIZE;
+
+ ecp_dir_item_serialize(&list->item[i], buf);
+ buf += ECP_SIZE_DIR_ITEM;
+ buf_size -= ECP_SIZE_DIR_ITEM;
+ }
+
+ return ECP_OK;
+}
+
+void ecp_dir_item_parse(ECPDirItem *item, unsigned char *buf) {
ecp_cr_dh_pub_from_buf(&item->node.public, buf);
buf += ECP_ECDH_SIZE_KEY;
@@ -21,7 +71,7 @@ void ecp_dir_parse_item(unsigned char *buf, ECPDirItem *item) {
buf += sizeof(uint16_t);
}
-void ecp_dir_serialize_item(unsigned char *buf, ECPDirItem *item) {
+void ecp_dir_item_serialize(ECPDirItem *item, unsigned char *buf) {
ecp_cr_dh_pub_to_buf(buf, &item->node.public);
buf += ECP_ECDH_SIZE_KEY;