sign-req with SAN: Add POSIX related comment for 'grep -A' use

Signed-off-by: Richard T Bonhomme <[email protected]>
OpenVPN · May 14, 2024 · 474f849 · 474f849
1 parent 168a0a0
commit 474f849
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/easyrsa3/easyrsa b/easyrsa3/easyrsa
@@ -2539,10 +2539,11 @@ Forced subject=
 			grep -s 'X509v3 Subject Alternative Name'
 		then
 			# extract requested SAN
+			# 'grep -A' may not be strictly POSIX, die on error
 			req_x509_san="$(
 				echo "$req_text" | \
 					grep -A 1 'X509v3 Subject Alternative Name'
-			)" || die "sign-req: req_x509_san: grep -A 1 "
+			)" || die "sign-req: req_x509_san: grep -A 1 (POSIX)"
 		else
 			# No requested SAN
 			req_x509_san=