Add meshlink_get_fingerprint().

[meshlink] / src / meshlink.c

diff --git a/src/meshlink.c b/src/meshlink.c
index e4061f93de6194c73f071c44eb452b81ee14fd45..9fc80153d48210b0cbb60f7c7793b673c4e090cd 100644 (file)
--- a/src/meshlink.c
+++ b/src/meshlink.c
@@ -1013,6 +1013,27 @@ ssize_t meshlink_get_pmtu(meshlink_handle_t *mesh, meshlink_node_t *destination)
                return MTU;
 }
 
+char *meshlink_get_fingerprint(meshlink_handle_t *mesh, meshlink_node_t *node) {
+       if(!mesh || !node) {
+               meshlink_errno = MESHLINK_EINVAL;
+               return NULL;
+       }
+
+       node_t *n = (node_t *)node;
+
+       if(!node_read_ecdsa_public_key(mesh, n) || !n->ecdsa) {
+               meshlink_errno = MESHLINK_EINTERNAL;
+               return false;
+       }
+
+       char *fingerprint = ecdsa_get_base64_public_key(n->ecdsa);
+
+       if(!fingerprint)
+               meshlink_errno = MESHLINK_EINTERNAL;
+
+       return fingerprint;
+}
+
 meshlink_node_t *meshlink_get_node(meshlink_handle_t *mesh, const char *name) {
        if(!mesh || !name) {
                meshlink_errno = MESHLINK_EINVAL;
@@ -1023,12 +1044,12 @@ meshlink_node_t *meshlink_get_node(meshlink_handle_t *mesh, const char *name) {
 }
 
 meshlink_node_t **meshlink_get_all_nodes(meshlink_handle_t *mesh, meshlink_node_t **nodes, size_t *nmemb) {
-       if(!mesh || (nmemb && !nodes)) {
+       if(!mesh || !nmemb || (*nmemb && !nodes)) {
                meshlink_errno = MESHLINK_EINVAL;
                return NULL;
        }
 
-       meshlink_node_t **result, **p;
+       meshlink_node_t **result;
 
        //lock mesh->nodes
        pthread_mutex_lock(&(mesh->nodes_mutex));
@@ -1037,6 +1058,7 @@ meshlink_node_t **meshlink_get_all_nodes(meshlink_handle_t *mesh, meshlink_node_
        result = realloc(nodes, *nmemb * sizeof *nodes);
 
        if(result) {
+               meshlink_node_t **p = result;
                for splay_each(node_t, n, mesh->nodes)
                        *p++ = (meshlink_node_t *)n;
        } else {