use strdup instead of core_session_strdup in hangup hook

diff --git a/src/switch_core_state_machine.c b/src/switch_core_state_machine.c
index 276acb8585c081019a450099510394012038ed13..e2d50704b57cd1299875fc2054188e0de722dda0 100644 (file)
--- a/src/switch_core_state_machine.c
+++ b/src/switch_core_state_machine.c
@@ -468,7 +468,7 @@ static void api_hook(switch_core_session_t *session, const char *hook_var, int u
 {
        if (!zstr(hook_var)) {
                switch_stream_handle_t stream = { 0 };
-               char *cmd = switch_core_session_strdup(session, hook_var);
+               char *cmd = strdup(hook_var);
                char *arg = NULL;
                char *expanded = NULL;
 
@@ -485,7 +485,7 @@ static void api_hook(switch_core_session_t *session, const char *hook_var, int u
 
                switch_channel_get_variables(session->channel, &stream.param_event);
                switch_channel_event_set_data(session->channel, stream.param_event);
-               expanded = switch_channel_expand_variables(session->channel, arg);
+               expanded = switch_event_expand_headers(stream.param_event, arg);
 
                switch_api_execute(cmd, expanded, use_session ? session : NULL, &stream);
 
@@ -496,6 +496,9 @@ static void api_hook(switch_core_session_t *session, const char *hook_var, int u
                if (expanded != arg) {
                        switch_safe_free(expanded);
                }
+
+               switch_safe_free(cmd);
+               
                switch_safe_free(stream.data);
        }
 }