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Diffstat (limited to 'src/keylist.c')
-rw-r--r--src/keylist.c150
1 files changed, 145 insertions, 5 deletions
diff --git a/src/keylist.c b/src/keylist.c
index fcf574f..8a0c5a3 100644
--- a/src/keylist.c
+++ b/src/keylist.c
@@ -33,6 +33,7 @@
#include <assert.h>
#include <ctype.h>
#include <errno.h>
+#include <limits.h>
/* Suppress warning for accessing deprecated member "class". */
#define _GPGME_IN_GPGME
@@ -121,6 +122,8 @@ keylist_status_handler (void *priv, gpgme_status_code_t code, char *args)
void *hook;
op_data_t opd;
+ (void)args;
+
err = _gpgme_op_data_lookup (ctx, OPDATA_KEYLIST, &hook, -1, NULL);
opd = hook;
if (err)
@@ -403,6 +406,98 @@ parse_sec_field15 (gpgme_key_t key, gpgme_subkey_t subkey, char *field)
}
+/* Parse a tfs record. */
+static gpg_error_t
+parse_tfs_record (gpgme_user_id_t uid, char **field, int nfield)
+{
+ gpg_error_t err;
+ gpgme_tofu_info_t ti;
+ unsigned long uval;
+
+ /* We add only the first TOFU record in case future versions emit
+ * several. */
+ if (uid->tofu)
+ return 0;
+
+ /* Check that we have enough fields and that the version is supported. */
+ if (nfield < 8 || atoi(field[1]) != 1)
+ return trace_gpg_error (GPG_ERR_INV_ENGINE);
+
+ ti = calloc (1, sizeof *ti);
+ if (!ti)
+ return gpg_error_from_syserror ();
+
+ /* Note that we allow a value of up to 7 which is what we can store
+ * in the ti->validity. */
+ err = _gpgme_strtoul_field (field[2], &uval);
+ if (err || uval > 7)
+ goto inv_engine;
+ ti->validity = uval;
+
+ /* Parse the sign-count. */
+ err = _gpgme_strtoul_field (field[3], &uval);
+ if (err)
+ goto inv_engine;
+ if (uval > USHRT_MAX)
+ uval = USHRT_MAX;
+ ti->signcount = uval;
+
+ /* Parse the encr-count. */
+ err = _gpgme_strtoul_field (field[4], &uval);
+ if (err)
+ goto inv_engine;
+ if (uval > USHRT_MAX)
+ uval = USHRT_MAX;
+ ti->encrcount = uval;
+
+ /* Parse the policy. */
+ if (!strcmp (field[5], "none"))
+ ti->policy = GPGME_TOFU_POLICY_NONE;
+ else if (!strcmp (field[5], "auto"))
+ ti->policy = GPGME_TOFU_POLICY_AUTO;
+ else if (!strcmp (field[5], "good"))
+ ti->policy = GPGME_TOFU_POLICY_GOOD;
+ else if (!strcmp (field[5], "bad"))
+ ti->policy = GPGME_TOFU_POLICY_BAD;
+ else if (!strcmp (field[5], "ask"))
+ ti->policy = GPGME_TOFU_POLICY_ASK;
+ else /* "unknown" and invalid policy strings. */
+ ti->policy = GPGME_TOFU_POLICY_UNKNOWN;
+
+ /* Parse first and last seen timestamps. */
+ err = _gpgme_strtoul_field (field[6], &uval);
+ if (err)
+ goto inv_engine;
+ ti->signfirst = uval;
+ err = _gpgme_strtoul_field (field[7], &uval);
+ if (err)
+ goto inv_engine;
+ ti->signlast = uval;
+
+ if (nfield > 9)
+ {
+ /* This condition is only to allow for gpg 2.1.15 - can
+ * eventually be removed. */
+ err = _gpgme_strtoul_field (field[8], &uval);
+ if (err)
+ goto inv_engine;
+ ti->encrfirst = uval;
+ err = _gpgme_strtoul_field (field[9], &uval);
+ if (err)
+ goto inv_engine;
+ ti->encrlast = uval;
+ }
+
+ /* Ready. */
+ uid->tofu = ti;
+ return 0;
+
+ inv_engine:
+ free (ti);
+ return trace_gpg_error (GPG_ERR_INV_ENGINE);
+}
+
+
/* We have read an entire key into tmp_key and should now finish it.
It is assumed that this releases tmp_key. */
static void
@@ -426,7 +521,7 @@ keylist_colon_handler (void *priv, char *line)
gpgme_ctx_t ctx = (gpgme_ctx_t) priv;
enum
{
- RT_NONE, RT_SIG, RT_UID, RT_SUB, RT_PUB, RT_FPR,
+ RT_NONE, RT_SIG, RT_UID, RT_TFS, RT_SUB, RT_PUB, RT_FPR, RT_GRP,
RT_SSB, RT_SEC, RT_CRT, RT_CRS, RT_REV, RT_SPK
}
rectype = RT_NONE;
@@ -479,8 +574,12 @@ keylist_colon_handler (void *priv, char *line)
rectype = RT_CRS;
else if (!strcmp (field[0], "fpr") && key)
rectype = RT_FPR;
+ else if (!strcmp (field[0], "grp") && key)
+ rectype = RT_GRP;
else if (!strcmp (field[0], "uid") && key)
rectype = RT_UID;
+ else if (!strcmp (field[0], "tfs") && key)
+ rectype = RT_TFS;
else if (!strcmp (field[0], "sub") && key)
rectype = RT_SUB;
else if (!strcmp (field[0], "ssb") && key)
@@ -490,10 +589,10 @@ keylist_colon_handler (void *priv, char *line)
else
rectype = RT_NONE;
- /* Only look at signatures immediately following a user ID. For
- this, clear the user ID pointer when encountering anything but a
- signature. */
- if (rectype != RT_SIG && rectype != RT_REV)
+ /* Only look at signature and trust info records immediately
+ following a user ID. For this, clear the user ID pointer when
+ encountering anything but a signature or trust record. */
+ if (rectype != RT_SIG && rectype != RT_REV && rectype != RT_TFS)
opd->tmp_uid = NULL;
/* Only look at subpackets immediately following a signature. For
@@ -693,6 +792,15 @@ keylist_colon_handler (void *priv, char *line)
}
break;
+ case RT_TFS:
+ if (opd->tmp_uid)
+ {
+ err = parse_tfs_record (opd->tmp_uid, field, fields);
+ if (err)
+ return err;
+ }
+ break;
+
case RT_FPR:
/* Field 10 has the fingerprint (take only the first one). */
if (fields >= 10 && field[9] && *field[9])
@@ -706,6 +814,22 @@ keylist_colon_handler (void *priv, char *line)
if (!subkey->fpr)
return gpg_error_from_syserror ();
}
+ /* If this is the first subkey, store the fingerprint also
+ in the KEY object. */
+ if (subkey == key->subkeys)
+ {
+ if (key->fpr && strcmp (key->fpr, subkey->fpr))
+ {
+ /* FPR already set but mismatch: Should never happen. */
+ return trace_gpg_error (GPG_ERR_INTERNAL);
+ }
+ if (!key->fpr)
+ {
+ key->fpr = strdup (subkey->fpr);
+ if (!key->fpr)
+ return gpg_error_from_syserror ();
+ }
+ }
}
/* Field 13 has the gpgsm chain ID (take only the first one). */
@@ -717,6 +841,22 @@ keylist_colon_handler (void *priv, char *line)
}
break;
+ case RT_GRP:
+ /* Field 10 has the keygrip. */
+ if (fields >= 10 && field[9] && *field[9])
+ {
+ /* Need to apply it to the last subkey because all subkeys
+ have a keygrip. */
+ subkey = key->_last_subkey;
+ if (!subkey->keygrip)
+ {
+ subkey->keygrip = strdup (field[9]);
+ if (!subkey->keygrip)
+ return gpg_error_from_syserror ();
+ }
+ }
+ break;
+
case RT_SIG:
case RT_REV:
if (!opd->tmp_uid)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 19:47:26 +0000