security-and-privacy/gnupg
security-and-privacy/gnupg
1
0
Fork 0
mirror of git://git.gnupg.org/gnupg.git synced 2024-12-31 11:41:32 +01:00
Code Activity

* keybox-search.c (blob_cmp_fpr_part): New.

Browse Source 
(has_short_kid, has_long_kid): Implemented.
This commit is contained in:
Werner Koch 2002-08-10 09:14:08 +00:00
parent dc8f3ee42c
commit 69f389096d
2 changed files with 45 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
kbx/ChangeLog
View File

@ -1,3 +1,8 @@
2002-08-10 Werner Koch <wk@gnupg.org>
* keybox-search.c (blob_cmp_fpr_part): New.
(has_short_kid, has_long_kid): Implemented.
2002-07-22 Werner Koch <wk@gnupg.org>
* keybox-defs.h: New BLOBTYPTE_EMPTY.

50
kbx/keybox-search.c
View File

@ -150,6 +150,38 @@ blob_cmp_fpr (KEYBOXBLOB blob, const unsigned char *fpr)
return 0; /* not found */
}
static int
blob_cmp_fpr_part (KEYBOXBLOB blob, const unsigned char *fpr,
int fproff, int fprlen)
{
const unsigned char *buffer;
size_t length;
size_t pos, off;
size_t nkeys, keyinfolen;
int idx;
buffer = _keybox_get_blob_image (blob, &length);
if (length < 40)
return 0; /* blob too short */
/*keys*/
nkeys = get16 (buffer + 16);
keyinfolen = get16 (buffer + 18 );
if (keyinfolen < 28)
return 0; /* invalid blob */
pos = 20;
if (pos + keyinfolen*nkeys > length)
return 0; /* out of bounds */
for (idx=0; idx < nkeys; idx++)
{
off = pos + idx*keyinfolen;
if (!memcmp (buffer + off + fproff, fpr, fprlen))
return 1; /* found */
}
return 0; /* not found */
}
static int
blob_cmp_name (KEYBOXBLOB blob, int idx,
@ -321,19 +353,17 @@ blob_cmp_mail (KEYBOXBLOB blob, const char *name, size_t namelen, int substr)
/*
The has_foo functions are used as helpers for search
*/
#if 0
static int
has_short_kid (KEYBOXBLOB blob, u32 kid)
has_short_kid (KEYBOXBLOB blob, const unsigned char *kid)
{
return 0;
return blob_cmp_fpr_part (blob, kid+4, 16, 4);
}
static int
has_long_kid (KEYBOXBLOB blob, u32 *kid)
has_long_kid (KEYBOXBLOB blob, const unsigned char *kid)
{
return 0;
return blob_cmp_fpr_part (blob, kid, 12, 8);
}
#endif
static int
has_fingerprint (KEYBOXBLOB blob, const unsigned char *fpr)
@ -652,12 +682,12 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc)
goto found;
break;
case KEYDB_SEARCH_MODE_SHORT_KID:
/* if (has_short_kid (blob, desc[n].u.kid[1])) */
/* goto found; */
if (has_short_kid (blob, desc[n].u.kid))
goto found;
break;
case KEYDB_SEARCH_MODE_LONG_KID:
/* if (has_long_kid (blob, desc[n].u.kid)) */
/* goto found; */
if (has_long_kid (blob, desc[n].u.kid))
goto found;
break;
case KEYDB_SEARCH_MODE_FPR:
case KEYDB_SEARCH_MODE_FPR20: