Replace the logic used to determine whether key and signer information
is present to use explicit flags in sigcheck_gpg_status[] array. This
is more future-proof, since it makes it possible to add additional
statuses without having to explicitly update the conditions.
Signed-off-by: Michał Górny <mgorny@xxxxxxxxxx>
---
gpg-interface.c | 27 +++++++++++++++++----------
1 file changed, 17 insertions(+), 10 deletions(-)
diff --git a/gpg-interface.c b/gpg-interface.c
index d72a43b77..c7cd24ec0 100644
--- a/gpg-interface.c
+++ b/gpg-interface.c
@@ -77,20 +77,27 @@ void signature_check_clear(struct signature_check *sigc)
/* An exclusive status -- only one of them can appear in output */
#define GPG_STATUS_EXCLUSIVE (1<<0)
+/* The status includes key identifier */
+#define GPG_STATUS_KEYID (1<<1)
+/* The status includes user identifier */
+#define GPG_STATUS_UID (1<<2)
+
+/* Short-hand for standard exclusive *SIG status with keyid & UID */
+#define GPG_STATUS_STDSIG (GPG_STATUS_EXCLUSIVE|GPG_STATUS_KEYID|GPG_STATUS_UID)
static struct {
char result;
const char *check;
unsigned int flags;
} sigcheck_gpg_status[] = {
- { 'G', "GOODSIG ", GPG_STATUS_EXCLUSIVE },
- { 'B', "BADSIG ", GPG_STATUS_EXCLUSIVE },
+ { 'G', "GOODSIG ", GPG_STATUS_STDSIG },
+ { 'B', "BADSIG ", GPG_STATUS_STDSIG },
{ 'U', "TRUST_NEVER", 0 },
{ 'U', "TRUST_UNDEFINED", 0 },
- { 'E', "ERRSIG ", GPG_STATUS_EXCLUSIVE },
- { 'X', "EXPSIG ", GPG_STATUS_EXCLUSIVE },
- { 'Y', "EXPKEYSIG ", GPG_STATUS_EXCLUSIVE },
- { 'R', "REVKEYSIG ", GPG_STATUS_EXCLUSIVE },
+ { 'E', "ERRSIG ", GPG_STATUS_EXCLUSIVE|GPG_STATUS_KEYID },
+ { 'X', "EXPSIG ", GPG_STATUS_STDSIG },
+ { 'Y', "EXPKEYSIG ", GPG_STATUS_STDSIG },
+ { 'R', "REVKEYSIG ", GPG_STATUS_STDSIG },
};
static void parse_gpg_output(struct signature_check *sigc)
@@ -117,13 +124,13 @@ 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') {
+ /* Do we have key information? */
+ if (sigcheck_gpg_status[i].flags & GPG_STATUS_KEYID) {
next = strchrnul(line, ' ');
free(sigc->key);
sigc->key = xmemdupz(line, next - line);
- /* The ERRSIG message is not followed by signer information */
- if (*next && sigc->result != 'E') {
+ /* Do we have signer information? */
+ if (*next && (sigcheck_gpg_status[i].flags & GPG_STATUS_UID)) {
line = next + 1;
next = strchrnul(line, '\n');
free(sigc->signer);
--
2.19.1
