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Be more strict about what names and titles we allow and reject them

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immediately when possible, but allow # again for those directly set by
commands (but not escape sequences). From Barrett Ruth in GitHub issue
5175.
This commit is contained in:
nicm
2026-06-15 21:41:39 +00:00
committed by Nicholas Marriott
parent 762e503978
commit 64e83caf04
17 changed files with 146 additions and 82 deletions
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23
cmd-break-pane.c
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@@ -58,9 +58,14 @@ cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
struct session *dst_s = target->s;
struct window_pane *wp = source->wp;
struct window *w = wl->window;
char *name, *cause, *cp;
char *newname, *cause, *cp;
int idx = target->idx, before;
const char *template;
const char *template, *name = args_get(args, 'n');
if (name != NULL && !check_name(name, WINDOW_NAME_FORBID)) {
cmdq_error(item, "invalid window name: %s", name);
return (CMD_RETURN_ERROR);
}
before = args_has(args, 'b');
if (args_has(args, 'a') || before) {
@@ -80,8 +85,8 @@ cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
free(cause);
return (CMD_RETURN_ERROR);
}
if (args_has(args, 'n')) {
window_set_name(w, args_get(args, 'n'));
if (name != NULL) {
window_set_name(w, name, WINDOW_NAME_FORBID);
options_set_number(w->options, "automatic-rename", 0);
}
server_unlink_window(src_s, wl);
@@ -109,12 +114,12 @@ cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
w->active = wp;
w->latest = tc;
if (!args_has(args, 'n')) {
name = default_window_name(w);
window_set_name(w, name);
free(name);
if (name != NULL) {
newname = default_window_name(w);
window_set_name(w, newname, WINDOW_NAME_FORBID);
free(newname);
} else {
window_set_name(w, args_get(args, 'n'));
window_set_name(w, name, 0);
options_set_number(w->options, "automatic-rename", 0);
}