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[PATCH 6/8] gpg-interface: do not hardcode the key string len anymore




gnupg does print the keyid followed by a space and the signer comes
next. The same pattern is also used in gpgsm, but there the key length
would be 40 instead of 16. Instead of hardcoding the expected length,
find the first space and calculate it.

Signed-off-by: Henning Schild <henning.schild@xxxxxxxxxxx>
---
 gpg-interface.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gpg-interface.c b/gpg-interface.c
index cd3b1b568..aa747278e 100644
--- a/gpg-interface.c
+++ b/gpg-interface.c
@@ -88,10 +88,11 @@ static void parse_gpg_output(struct signature_check *sigc)
 		sigc->result = sigcheck_gpg_status[i].result;
 		/* The trust messages are not followed by key/signer information */
 		if (sigc->result != 'U') {
-			sigc->key = xmemdupz(found, 16);
+			next = strchrnul(found, ' ');
+			sigc->key = xmemdupz(found, next - found);
 			/* The ERRSIG message is not followed by signer information */
 			if (sigc-> result != 'E') {
-				found += 17;
+				found = next + 1;
 				next = strchrnul(found, '\n');
 				sigc->signer = xmemdupz(found, next - found);
 			}
-- 
2.16.4