diff options
Diffstat (limited to 'g10/keydb.c')
| -rw-r--r-- | g10/keydb.c | 46 |
1 files changed, 33 insertions, 13 deletions
diff --git a/g10/keydb.c b/g10/keydb.c index 03fadfd54..6ecb4eb8b 100644 --- a/g10/keydb.c +++ b/g10/keydb.c @@ -81,6 +81,7 @@ enum keyblock_cache_states { struct keyblock_cache { enum keyblock_cache_states state; byte fpr[MAX_FINGERPRINT_LEN]; + byte fprlen; iobuf_t iobuf; /* Image of the keyblock. */ int pk_no; int uid_no; @@ -566,8 +567,12 @@ keydb_search_desc_dump (struct keydb_search_desc *desc) bin2hex (desc->u.fpr, 20, fpr); return xasprintf ("FPR20: '%s'", format_hexfingerprint (fpr, b, sizeof (b))); - case KEYDB_SEARCH_MODE_FPR: + case KEYDB_SEARCH_MODE_FPR32: bin2hex (desc->u.fpr, 20, fpr); + return xasprintf ("FPR32: '%s'", + format_hexfingerprint (fpr, b, sizeof (b))); + case KEYDB_SEARCH_MODE_FPR: + bin2hex (desc->u.fpr, desc->fprlen, fpr); return xasprintf ("FPR: '%s'", format_hexfingerprint (fpr, b, sizeof (b))); case KEYDB_SEARCH_MODE_ISSUER: @@ -1531,6 +1536,8 @@ keydb_update_keyblock (ctrl_t ctrl, KEYDB_HANDLE hd, kbnode_t kb) fingerprint_from_pk (pk, desc.u.fpr, &len); if (len == 20) desc.mode = KEYDB_SEARCH_MODE_FPR20; + else if (len == 32) + desc.mode = KEYDB_SEARCH_MODE_FPR32; else log_bug ("%s: Unsupported key length: %zu\n", __func__, len); @@ -1862,6 +1869,7 @@ keydb_search (KEYDB_HANDLE hd, KEYDB_SEARCH_DESC *desc, int was_reset = hd->is_reset; /* If an entry is already in the cache, then don't add it again. */ int already_in_cache = 0; + int fprlen; if (descindex) *descindex = 0; /* Make sure it is always set on return. */ @@ -1902,12 +1910,21 @@ keydb_search (KEYDB_HANDLE hd, KEYDB_SEARCH_DESC *desc, /* NB: If one of the exact search modes below is used in a loop to walk over all keys (with the same fingerprint) the caching must have been disabled for the handle. */ + if (desc[0].mode == KEYDB_SEARCH_MODE_FPR20) + fprlen = 20; + else if (desc[0].mode == KEYDB_SEARCH_MODE_FPR32) + fprlen = 32; + else if (desc[0].mode == KEYDB_SEARCH_MODE_FPR) + fprlen = desc[0].fprlen; + else + fprlen = 0; + if (!hd->no_caching && ndesc == 1 - && (desc[0].mode == KEYDB_SEARCH_MODE_FPR20 - || desc[0].mode == KEYDB_SEARCH_MODE_FPR) - && hd->keyblock_cache.state == KEYBLOCK_CACHE_FILLED - && !memcmp (hd->keyblock_cache.fpr, desc[0].u.fpr, 20) + && fprlen + && hd->keyblock_cache.state == KEYBLOCK_CACHE_FILLED + && hd->keyblock_cache.fprlen == fprlen + && !memcmp (hd->keyblock_cache.fpr, desc[0].u.fpr, fprlen) /* Make sure the current file position occurs before the cached result to avoid an infinite loop. */ && (hd->current < hd->keyblock_cache.resource @@ -1922,8 +1939,7 @@ keydb_search (KEYDB_HANDLE hd, KEYDB_SEARCH_DESC *desc, hd->current = hd->keyblock_cache.resource; /* HD->KEYBLOCK_CACHE.OFFSET is the last byte in the record. Seek just beyond that. */ - keybox_seek (hd->active[hd->current].u.kb, - hd->keyblock_cache.offset + 1); + keybox_seek (hd->active[hd->current].u.kb, hd->keyblock_cache.offset + 1); keydb_stats.found_cached++; return 0; } @@ -1986,8 +2002,8 @@ keydb_search (KEYDB_HANDLE hd, KEYDB_SEARCH_DESC *desc, keyblock_cache_clear (hd); if (!hd->no_caching && !rc - && ndesc == 1 && (desc[0].mode == KEYDB_SEARCH_MODE_FPR20 - || desc[0].mode == KEYDB_SEARCH_MODE_FPR) + && ndesc == 1 + && fprlen && hd->active[hd->current].type == KEYDB_RESOURCE_TYPE_KEYBOX) { hd->keyblock_cache.state = KEYBLOCK_CACHE_PREPARED; @@ -1997,11 +2013,14 @@ keydb_search (KEYDB_HANDLE hd, KEYDB_SEARCH_DESC *desc, within the record. */ hd->keyblock_cache.offset = keybox_offset (hd->active[hd->current].u.kb) - 1; - memcpy (hd->keyblock_cache.fpr, desc[0].u.fpr, 20); + memcpy (hd->keyblock_cache.fpr, desc[0].u.fpr, fprlen); + hd->keyblock_cache.fprlen = fprlen; } if (gpg_err_code (rc) == GPG_ERR_NOT_FOUND - && ndesc == 1 && desc[0].mode == KEYDB_SEARCH_MODE_LONG_KID && was_reset + && ndesc == 1 + && desc[0].mode == KEYDB_SEARCH_MODE_LONG_KID + && was_reset && !already_in_cache) kid_not_found_insert (desc[0].u.kid); @@ -2078,12 +2097,13 @@ keydb_search_kid (KEYDB_HANDLE hd, u32 *kid) * off. If you want to search the whole database, then you need to * first call keydb_search_reset(). */ gpg_error_t -keydb_search_fpr (KEYDB_HANDLE hd, const byte *fpr) +keydb_search_fpr (KEYDB_HANDLE hd, const byte *fpr, size_t fprlen) { KEYDB_SEARCH_DESC desc; memset (&desc, 0, sizeof desc); desc.mode = KEYDB_SEARCH_MODE_FPR; - memcpy (desc.u.fpr, fpr, MAX_FINGERPRINT_LEN); + memcpy (desc.u.fpr, fpr, fprlen); + desc.fprlen = fprlen; return keydb_search (hd, &desc, 1, NULL); } |