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authornicm <nicm>2021-07-06 08:18:38 +0000
committernicm <nicm>2021-07-06 08:18:38 +0000
commit35c2958ae4caf70a3074f59fbceeb24cfe82f902 (patch)
tree605d25b43e085156dd1931885657a1fdc7434462 /cmd-rename-session.c
parent1d4296f17fde47186e2d09752a912559af034e37 (diff)
Forbid empty session names, GitHub issue 2758.
Diffstat (limited to 'cmd-rename-session.c')
-rw-r--r--cmd-rename-session.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/cmd-rename-session.c b/cmd-rename-session.c
index 51b8ffc8..49fafe33 100644
--- a/cmd-rename-session.c
+++ b/cmd-rename-session.c
@@ -53,6 +53,11 @@ cmd_rename_session_exec(struct cmd *self, struct cmdq_item *item)
tmp = format_single_from_target(item, args->argv[0]);
newname = session_check_name(tmp);
+ if (newname == NULL) {
+ cmdq_error(item, "invalid session: %s", tmp);
+ free(tmp);
+ return (CMD_RETURN_ERROR);
+ }
free(tmp);
if (strcmp(newname, s->name) == 0) {
free(newname);