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gpg: Skip overlong keys and a print a warning.

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* 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 <wk@gnupg.org>
This commit is contained in:
Werner Koch 2014-10-09 21:01:49 +02:00
parent 60e21d8b85
commit 2ca90f78ce
6 changed files with 29 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

11
g10/keydb.c
View file

@ -67,6 +67,7 @@ struct keydb_handle
{
int locked;
int found;
unsigned long skipped_long_blobs;
int current;
int used; /* Number of items in ACTIVE. */
struct resource_item active[MAX_KEYDB_RESOURCES];
@ -1289,6 +1290,13 @@ keydb_rebuild_caches (int noisy)
}
/* Return the number of skipped blocks since the last search reset. */
unsigned long
keydb_get_skipped_counter (KEYDB_HANDLE hd)
{
return hd ? hd->skipped_long_blobs : 0;
}
/*
* Start the next search on this handle right at the beginning
@ -1307,6 +1315,7 @@ keydb_search_reset (KEYDB_HANDLE hd)
if (DBG_CLOCK)
log_clock ("keydb_search_reset");
hd->skipped_long_blobs = 0;
hd->current = 0;
hd->found = -1;
/* Now reset all resources. */
@ -1424,7 +1433,7 @@ keydb_search (KEYDB_HANDLE hd, KEYDB_SEARCH_DESC *desc,
break;
case KEYDB_RESOURCE_TYPE_KEYBOX:
rc = keybox_search (hd->active[hd->current].u.kb, desc,
ndesc, descindex);
ndesc, descindex, &hd->skipped_long_blobs);
break;
}
if (rc == -1 || gpg_err_code (rc) == GPG_ERR_EOF)

1
g10/keydb.h
View file

@ -142,6 +142,7 @@ gpg_error_t keydb_insert_keyblock (KEYDB_HANDLE hd, kbnode_t kb);
gpg_error_t keydb_delete_keyblock (KEYDB_HANDLE hd);
gpg_error_t keydb_locate_writable (KEYDB_HANDLE hd, const char *reserved);
void keydb_rebuild_caches (int noisy);
unsigned long keydb_get_skipped_counter (KEYDB_HANDLE hd);
gpg_error_t keydb_search_reset (KEYDB_HANDLE hd);
gpg_error_t keydb_search (KEYDB_HANDLE hd, KEYDB_SEARCH_DESC *desc,
size_t ndesc, size_t *descindex);

3
g10/keylist.c
View file

@ -499,6 +499,9 @@ list_all (int secret, int mark_secret)
es_fflush (es_stdout);
if (rc && gpg_err_code (rc) != GPG_ERR_NOT_FOUND)
log_error ("keydb_search_next failed: %s\n", g10_errstr (rc));
if (keydb_get_skipped_counter (hd))
log_info (_("Warning: %lu key(s) skipped due to their large size\n"),
keydb_get_skipped_counter (hd));
if (opt.check_sigs && !opt.with_colons)
print_signature_stats (&stats);