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added option file handling

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This commit is contained in:
Werner Koch 1997-12-12 12:03:58 +00:00
parent 935965049d
commit 68ea0f4353
38 changed files with 2772 additions and 551 deletions
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43
g10/parse-packet.c
View file

@ -36,6 +36,8 @@
static mpi_print_mode = 0;
static list_mode = 0;
static int parse( IOBUF inp, PACKET *pkt, int reqtype,
ulong *retpos, int *skip );
static void skip_packet( IOBUF inp, int pkttype, unsigned long pktlen );
static void skip_rest( IOBUF inp, unsigned long pktlen );
static int parse_publickey( IOBUF inp, int pkttype, unsigned long pktlen,
@ -108,13 +110,48 @@ set_packet_list_mode( int mode )
*/
int
parse_packet( IOBUF inp, PACKET *pkt )
{
int skip, rc;
do {
rc = parse( inp, pkt, 0, NULL, &skip );
} while( skip );
return rc;
}
/****************
* Like parse packet, but do only return packet of the given type.
*/
int
search_packet( IOBUF inp, PACKET *pkt, int pkttype, ulong *retpos )
{
int skip, rc;
do {
rc = parse( inp, pkt, pkttype, retpos, &skip );
} while( skip );
return rc;
}
/****************
* Parse packet. Set the variable skip points to to 1 if the packet
* should be skipped; this is the case if either there is a
* requested packet type and the parsed packet doesn't match or the
* packet-type is 0, indicating deleted stuff.
*/
static int
parse( IOBUF inp, PACKET *pkt, int reqtype, ulong *retpos, int *skip )
{
int rc, ctb, pkttype, lenbytes;
unsigned long pktlen;
byte hdr[5];
int hdrlen;
*skip = 0;
assert( !pkt->pkt.generic );
if( retpos )
*retpos = iobuf_tell(inp);
if( (ctb = iobuf_get(inp)) == -1 )
return -1;
hdrlen=0;
@ -139,6 +176,12 @@ parse_packet( IOBUF inp, PACKET *pkt )
}
}
if( !pkttype || (reqtype && pkttype != reqtype) ) {
skip_packet(inp, pkttype, pktlen);
*skip = 1;
return 0;
}
if( DBG_PACKET )
log_debug("parse_packet(iob=%d): type=%d length=%lu\n",
iobuf_id(inp), pkttype, pktlen );