diff options
Diffstat (limited to 'src/cmdline.c')
| -rw-r--r-- | src/cmdline.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/src/cmdline.c b/src/cmdline.c index fa69d91..9a7b356 100644 --- a/src/cmdline.c +++ b/src/cmdline.c @@ -162,12 +162,32 @@ teco_cmdline_insert(const gchar *data, gsize len, GError **error) * Result of command line replacement (}): * Exchange command lines */ + g_clear_error(&tmp_error); + teco_qreg_t *cmdline_reg = teco_qreg_table_find(&teco_qreg_table_globals, "\e", 1); g_auto(teco_string_t) new_cmdline = {NULL, 0}; if (!cmdline_reg->vtable->get_string(cmdline_reg, &new_cmdline.data, &new_cmdline.len, - NULL, error)) + NULL, &tmp_error)) { + teco_error_add_frame_toplevel(); + teco_error_display_short(tmp_error); + g_propagate_error(error, g_steal_pointer(&tmp_error)); return FALSE; + } + + /* + * SciTECO code must always be UTF-8, but you can smuggle arbitrary bytes + * into the "\e" register. + * This would be cumbersome to test for in teco_state_start_cmdline_pop(). + */ + if (!teco_string_validate_utf8(new_cmdline)) { + g_set_error_literal(&tmp_error, TECO_ERROR, TECO_ERROR_CODEPOINT, + "Invalid UTF-8 byte sequence in command-line replacement"); + teco_error_add_frame_toplevel(); + teco_error_display_short(tmp_error); + g_propagate_error(error, g_steal_pointer(&tmp_error)); + return FALSE; + } /* * Search for first differing character in old and @@ -229,7 +249,7 @@ teco_cmdline_insert(const gchar *data, gsize len, GError **error) } } - /* error is handled in teco_cmdline_keypress_c() */ + /* error is handled in teco_cmdline_keypress() */ g_propagate_error(error, g_steal_pointer(&tmp_error)); return FALSE; } |