From 2ca90f78cee91c43b8d538d1cb92728f8e1452d5 Mon Sep 17 00:00:00 2001 From: Werner Koch Date: Thu, 9 Oct 2014 21:01:49 +0200 Subject: gpg: Skip overlong keys and a print a warning. * kbx/keybox-search.c (keybox_search): Add arg r_skipped and skip too long blobs. * sm/keydb.c (keydb_search): Call keybox_search with a dummy param. * g10/keydb.c (struct keydb_handle): Add field skipped_long_blobs. (keydb_search_reset): Reset that field. (keydb_search): Update that field. (keydb_get_skipped_counter): New. * g10/keylist.c (list_all): Print count of skipped keys. Signed-off-by: Werner Koch --- kbx/keybox-search.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'kbx/keybox-search.c') diff --git a/kbx/keybox-search.c b/kbx/keybox-search.c index ba284f9b5..bf47042a3 100644 --- a/kbx/keybox-search.c +++ b/kbx/keybox-search.c @@ -718,10 +718,12 @@ keybox_search_reset (KEYBOX_HANDLE hd) /* Note: When in ephemeral mode the search function does visit all - blobs but in standard mode, blobs flagged as ephemeral are ignored. */ + blobs but in standard mode, blobs flagged as ephemeral are ignored. + The value at R_SKIPPED is updated by the number of skipped long + records (counts PGP and X.509). */ int keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc, - size_t *r_descindex) + size_t *r_descindex, unsigned long *r_skipped) { int rc; size_t n; @@ -852,6 +854,13 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc, _keybox_release_blob (blob); blob = NULL; rc = _keybox_read_blob (&blob, hd->fp); + if (gpg_err_code (rc) == GPG_ERR_TOO_LARGE + && gpg_err_source (rc) == GPG_ERR_SOURCE_KEYBOX) + { + ++*r_skipped; + continue; /* Skip too large records. */ + } + if (rc) break; -- cgit v1.2.3