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Fix segfault when failing to import keys

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Avoid a segfault when a search of the keyserver returns that the
key is found but returns no primary IDs.  We are then likely going
to fail the import, but attempt anyway because no-one know what
a keyserver will do!

Fixes FS#73534.

Signed-off-by: Allan McRae <allan@archlinux.org>
(cherry picked from commit 6b37d99431)
This commit is contained in:
Allan McRae 2022-03-06 20:32:49 +10:00
parent c974d6d245
commit 2c83cd08a4
1 changed files with 9 additions and 5 deletions
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14
lib/libalpm/signing.c
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@ -359,14 +359,18 @@ static int key_search_keyserver(alpm_handle_t *handle, const char *fpr,
} else if(key->subkeys->keyid) {
pgpkey->fingerprint = key->subkeys->keyid;
}
pgpkey->uid = key->uids->uid;
pgpkey->name = key->uids->name;
pgpkey->email = key->uids->email;
/* we are probably going to fail importing, but continue anyway... */
if(key->uids != NULL) {
pgpkey->uid = key->uids->uid;
pgpkey->name = key->uids->name;
pgpkey->email = key->uids->email;
}
pgpkey->created = key->subkeys->timestamp;
pgpkey->expires = key->subkeys->expires;
pgpkey->length = key->subkeys->length;
pgpkey->revoked = key->subkeys->revoked;
/* Initialize with '?', this is overwritten unless public key
* algorithm is unknown. */
pgpkey->pubkey_algo = '?';
@ -539,7 +543,7 @@ int _alpm_key_import(alpm_handle_t *handle, const char *uid, const char *fpr)
ret = 0;
} else {
_alpm_log(handle, ALPM_LOG_ERROR,
_("key \"%s\" could not be imported\n"), fetch_key.uid);
_("key \"%s\" could not be imported\n"), fpr);
}
} else {
_alpm_log(handle, ALPM_LOG_ERROR,