Include line number as id when listing ssh keys

src/api/ssh_keys_get.c

@@ -14,7 +14,7 @@ int callback_ssh_keys_get(const struct _u_request * request,
     size_t line_length = 0;
     ssize_t read;
 
-    json_t * keys = json_array();
+    json_t * keys = json_object();
 
     // Open file.
     authorized_keys = fopen("/root/.ssh/authorized_keys", "r");
@@ -27,11 +27,15 @@ int callback_ssh_keys_get(const struct _u_request * request,
     }
 
     // Read file line by line.
+    int index = 0;
+    char * field;
     while ((read = getline(&line, &line_length, authorized_keys)) != -1)
     {
         // Remove trailing newline.
+        asprintf(&field, "%d", index);
         line[strcspn(line, "\n")] = 0;
-        json_array_append(keys, json_string(line));
+        json_object_set(keys, field, json_string(line));
+        ++index;
     }
 
     // Close file and clean up.