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csi: ignore 'CSI 21 t' - report window title

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It's not widely used (don't know _any_ application that uses it), and
can be used to trick users to run unwanted commands.
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Daniel Eklöf 2025-01-07 12:58:44 +01:00
parent 42f78b7f9c
commit 8e425c4e97
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1 changed files with 4 additions and 0 deletions
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csi.c
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@ -1354,10 +1354,14 @@ csi_dispatch(struct terminal *term, uint8_t final)
} }
case 21: { case 21: {
#if 0 /* Disabled for now, see #1894 */
char reply[3 + strlen(term->window_title) + 2 + 1]; char reply[3 + strlen(term->window_title) + 2 + 1];
int chars = xsnprintf( int chars = xsnprintf(
reply, sizeof(reply), "\033]l%s\033\\", term->window_title); reply, sizeof(reply), "\033]l%s\033\\", term->window_title);
term_to_slave(term, reply, chars); term_to_slave(term, reply, chars);
#else
LOG_WARN("CSI 21 t (report window title) ignored");
#endif
break; break;
} }