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-rw-r--r--kbx/keybox-search.c59
1 files changed, 30 insertions, 29 deletions
diff --git a/kbx/keybox-search.c b/kbx/keybox-search.c
index 41fb83233..1c78caedd 100644
--- a/kbx/keybox-search.c
+++ b/kbx/keybox-search.c
@@ -30,6 +30,12 @@
*(p) <= 'F'? (*(p)-'A'+10):(*(p)-'a'+10))
#define xtoi_2(p) ((xtoi_1(p) * 16) + xtoi_1((p)+1))
+struct sn_array_s {
+ int snlen;
+ unsigned char *sn;
+};
+
+
static ulong
get32 (const byte *buffer)
@@ -68,18 +74,14 @@ blob_get_type (KEYBOXBLOB blob)
static int
-blob_cmp_sn (KEYBOXBLOB blob, const unsigned char *sn)
+blob_cmp_sn (KEYBOXBLOB blob, const unsigned char *sn, int snlen)
{
- size_t snlen;
const unsigned char *buffer;
size_t length;
size_t pos, off;
size_t nkeys, keyinfolen;
size_t nserial;
- snlen = (sn[0] << 24) | (sn[1] << 16) | (sn[2] << 8) | sn[3];
- sn += 4;
-
buffer = _keybox_get_blob_image (blob, &length);
if (length < 40)
return 0; /* blob too short */
@@ -284,7 +286,8 @@ has_issuer (KEYBOXBLOB blob, const char *name)
}
static int
-has_issuer_sn (KEYBOXBLOB blob, const char *name, const unsigned char *sn)
+has_issuer_sn (KEYBOXBLOB blob, const char *name,
+ const unsigned char *sn, int snlen)
{
size_t namelen;
@@ -296,18 +299,18 @@ has_issuer_sn (KEYBOXBLOB blob, const char *name, const unsigned char *sn)
namelen = strlen (name);
- return (blob_cmp_sn (blob, sn)
+ return (blob_cmp_sn (blob, sn, snlen)
&& blob_cmp_name (blob, 0 /* issuer */, name, namelen));
}
static int
-has_sn (KEYBOXBLOB blob, const unsigned char *sn)
+has_sn (KEYBOXBLOB blob, const unsigned char *sn, int snlen)
{
return_val_if_fail (sn, 0);
if (blob_get_type (blob) != BLOBTYPE_X509)
return 0;
- return blob_cmp_sn (blob, sn);
+ return blob_cmp_sn (blob, sn, snlen);
}
static int
@@ -357,12 +360,12 @@ has_mail (KEYBOXBLOB blob, const char *name)
static void
-release_sn_array (unsigned char **array, size_t size)
+release_sn_array (struct sn_array_s *array, size_t size)
{
size_t n;
for (n=0; n < size; n++)
- xfree (array[n]);
+ xfree (array[n].sn);
xfree (array);
}
@@ -402,7 +405,7 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc)
size_t n;
int need_words, any_skip;
KEYBOXBLOB blob = NULL;
- unsigned char **sn_array = NULL;
+ struct sn_array_s *sn_array = NULL;
if (!hd)
return KEYBOX_Invalid_Value;
@@ -437,7 +440,7 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc)
}
if (desc[n].skipfnc)
any_skip = 1;
- if (desc[n].sn_is_string && !sn_array)
+ if (desc[n].snlen == -1 && !sn_array)
{
sn_array = xtrycalloc (ndesc, sizeof *sn_array);
if (!sn_array)
@@ -469,7 +472,7 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc)
{
if (!desc[n].sn)
;
- else if (desc[n].sn_is_string)
+ else if (desc[n].snlen == -1)
{
unsigned char *sn;
@@ -478,13 +481,14 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc)
;
odd = (i & 1);
snlen = (i+1)/2;
- sn_array[n] = xtrymalloc (4+snlen);
- if (!sn_array[n])
+ sn_array[n].sn = xtrymalloc (snlen);
+ if (!sn_array[n].sn)
{
release_sn_array (sn_array, n);
return (hd->error = KEYBOX_Out_Of_Core);
}
- sn = sn_array[n] + 4;
+ sn_array[n].snlen = snlen;
+ sn = sn_array[n].sn;
s = desc[n].sn;
if (odd)
{
@@ -493,26 +497,21 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc)
}
for (; *s && *s != '/'; s += 2)
*sn++ = xtoi_2 (s);
- assert (sn - sn_array[n] == 4+snlen);
- sn = sn_array[n];
- sn[0] = snlen >> 24;
- sn[1] = snlen >> 16;
- sn[2] = snlen >> 8;
- sn[3] = snlen;
}
else
{
const unsigned char *sn;
sn = desc[n].sn;
- snlen = (sn[0] << 24) | (sn[1] << 16) | (sn[2] << 8) | sn[3];
- sn_array[n] = xtrymalloc (4+snlen);
- if (!sn_array[n])
+ snlen = desc[n].snlen;
+ sn_array[n].sn = xtrymalloc (snlen);
+ if (!sn_array[n].sn)
{
release_sn_array (sn_array, n);
return (hd->error = KEYBOX_Out_Of_Core);
}
- memcpy (sn_array[n], sn, 4+snlen);
+ sn_array[n].snlen = snlen;
+ memcpy (sn_array[n].sn, sn, snlen);
}
}
}
@@ -552,11 +551,13 @@ keybox_search (KEYBOX_HANDLE hd, KEYBOX_SEARCH_DESC *desc, size_t ndesc)
break;
case KEYDB_SEARCH_MODE_ISSUER_SN:
if (has_issuer_sn (blob, desc[n].u.name,
- sn_array? sn_array[n] : desc[n].sn))
+ sn_array? sn_array[n].sn : desc[n].sn,
+ sn_array? sn_array[n].snlen : desc[n].snlen))
goto found;
break;
case KEYDB_SEARCH_MODE_SN:
- if (has_sn (blob, sn_array? sn_array[n] : desc[n].sn))
+ if (has_sn (blob, sn_array? sn_array[n].sn : desc[n].sn,
+ sn_array? sn_array[n].snlen : desc[n].snlen))
goto found;
break;
case KEYDB_SEARCH_MODE_SUBJECT: