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Fix bug#931.

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Silent a compiler warning.
This commit is contained in:
Werner Koch 2009-05-05 09:30:34 +00:00
parent 7c57091f10
commit a4fd67937c
3 changed files with 46 additions and 28 deletions
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9
g10/ChangeLog
View File

@ -1,3 +1,12 @@
2009-05-05 Werner Koch <wk@g10code.com>
* tdbio.c (lookup_hashtable): Add const to function args.
(cmp_trec_fpr): Ditto.
(tdbio_search_trust_byfpr): Remove cast.
* parse-packet.c (parse): Remove special treatment for compressed
new style packets. Fixes bug#931.
2009-04-03 Werner Koch <wk@g10code.com>
* gpgv.c (main): Pass readonly flag to keydb_add_resource.

49
g10/parse-packet.c
View File

@ -346,12 +346,19 @@ parse( IOBUF inp, PACKET *pkt, int onlykeypkts, off_t *retpos,
rc = G10ERR_INVALID_PACKET;
goto leave;
}
if (pkttype == PKT_COMPRESSED) {
iobuf_set_partial_block_mode(inp, c & 0xff);
pktlen = 0;/* to indicate partial length */
partial=1;
}
else {
/* The follwing code has been here for ages (2002-08-30) but it is
clearly wrong: For example passing a 0 as second argument to
iobuf_set_partial_block_mode stops the partial block mode which we
definitely do not want. Also all values < 224 or 255 are not
valid. Let's disable it and put PKT_COMPRESSED into the list of
allowed packets with partial header until someone complains. */
/* if (pkttype == PKT_COMPRESSED) { */
/* iobuf_set_partial_block_mode(inp, c & 0xff); */
/* pktlen = 0;/\* to indicate partial length *\/ */
/* partial=1; */
/* } */
/* else { */
{
hdr[hdrlen++] = c;
if( c < 192 )
pktlen = c;
@ -384,20 +391,22 @@ parse( IOBUF inp, PACKET *pkt, int onlykeypkts, off_t *retpos,
}
else
{
/* Partial body length. Note that we handled
PKT_COMPRESSED earlier. */
if(pkttype==PKT_PLAINTEXT || pkttype==PKT_ENCRYPTED
|| pkttype==PKT_ENCRYPTED_MDC)
{
iobuf_set_partial_block_mode(inp, c & 0xff);
pktlen = 0;/* to indicate partial length */
partial=1;
}
else
{
log_error("%s: partial length for invalid"
" packet type %d\n",iobuf_where(inp),pkttype);
rc=G10ERR_INVALID_PACKET;
/* Partial body length. */
switch (pkttype)
{
case PKT_PLAINTEXT:
case PKT_ENCRYPTED:
case PKT_ENCRYPTED_MDC:
case PKT_COMPRESSED:
iobuf_set_partial_block_mode (inp, (c & 0xff));
pktlen = 0; /* Indicate partial length. */
partial= 1;
break;
default:
log_error ("%s: partial length for invalid"
" packet type %d\n", iobuf_where(inp),pkttype);
rc = G10ERR_INVALID_PACKET;
goto leave;
}
}

16
g10/tdbio.c
View File

@ -1007,8 +1007,8 @@ drop_from_hashtable( ulong table, byte *key, int keylen, ulong recnum )
*/
static int
lookup_hashtable( ulong table, const byte *key, size_t keylen,
int (*cmpfnc)(void*, const TRUSTREC *), void *cmpdata,
TRUSTREC *rec )
int (*cmpfnc)(const void*, const TRUSTREC *),
const void *cmpdata, TRUSTREC *rec )
{
int rc;
ulong hashrec, item;
@ -1464,10 +1464,10 @@ tdbio_new_recnum()
static int
cmp_trec_fpr ( void *fpr, const TRUSTREC *rec )
cmp_trec_fpr (const void *fpr, const TRUSTREC *rec )
{
return rec->rectype == RECTYPE_TRUST
&& !memcmp( rec->r.trust.fingerprint, fpr, 20);
return (rec->rectype == RECTYPE_TRUST
&& !memcmp( rec->r.trust.fingerprint, fpr, 20));
}
@ -1476,9 +1476,9 @@ tdbio_search_trust_byfpr( const byte *fingerprint, TRUSTREC *rec )
{
int rc;
/* locate the trust record using the hash table */
rc = lookup_hashtable( get_trusthashrec(), fingerprint, 20,
cmp_trec_fpr, (void*)fingerprint, rec );
/* Locate the trust record using the hash table. */
rc = lookup_hashtable (get_trusthashrec(), fingerprint, 20,
cmp_trec_fpr, fingerprint, rec);
return rc;
}