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table_proc: ensure the request does not contain newlines

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op
2026-03-26 18:43:53 +00:00
parent 3d6043dede
commit 1388771ffa
1 changed files with 5 additions and 1 deletions
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6
usr.sbin/smtpd/table_proc.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: table_proc.c,v 1.23 2024/05/28 07:10:30 op Exp $ */
/* $OpenBSD: table_proc.c,v 1.24 2026/03/26 18:43:53 op Exp $ */
/*
* Copyright (c) 2024 Omar Polo <op@openbsd.org>
@@ -227,6 +227,10 @@ table_proc_lookup(struct table *table, enum table_service s, const char *k, char
res = "check-result";
}
/* k cannot contain newlines */
if (k[strcspn(k, "\r\n")] != '\0')
return (-1);
table_proc_send(table, req, s, k);
r = table_proc_recv(table, res);