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setsockopt: decode PACKET_ADD_MEMBERSHIP

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* xlat/packet_mreq_type.in: New file.
* net.c: Include "xlat/packet_mreq_type.h".
(print_packet_mreq): New function.
(print_setsockopt): Use it.
This commit is contained in:
Дмитрий Левин 2015-01-29 03:26:53 +00:00
parent 0509c8ed6d
commit 02f2f091d5
2 changed files with 36 additions and 1 deletions
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33
net.c
View File

@ -1317,6 +1317,32 @@ print_tpacket_req(struct tcb *tcp, long addr, int len)
}
#endif /* PACKET_RX_RING */
#ifdef PACKET_ADD_MEMBERSHIP
# include "xlat/packet_mreq_type.h"
static void
print_packet_mreq(struct tcb *tcp, long addr, int len)
{
struct packet_mreq mreq;
if (len != sizeof(mreq) ||
umove(tcp, addr, &mreq) < 0) {
tprintf("%#lx", addr);
} else {
unsigned int i;
tprintf("{mr_ifindex=%u, mr_type=", mreq.mr_ifindex);
printxval(packet_mreq_type, mreq.mr_type, "PACKET_MR_???");
tprintf(", mr_alen=%u, mr_address=", mreq.mr_alen);
if (mreq.mr_alen > ARRAY_SIZE(mreq.mr_address))
mreq.mr_alen = ARRAY_SIZE(mreq.mr_address);
for (i = 0; i < mreq.mr_alen; ++i)
tprintf("%02x", mreq.mr_address[i]);
tprints("}");
}
}
#endif /* PACKET_ADD_MEMBERSHIP */
static void
print_setsockopt(struct tcb *tcp, int level, int name, long addr, int len)
{
@ -1343,7 +1369,12 @@ print_setsockopt(struct tcb *tcp, int level, int name, long addr, int len)
print_tpacket_req(tcp, addr, len);
goto done;
# endif /* PACKET_RX_RING */
/* TODO: decode packate_mreq for PACKET_*_MEMBERSHIP */
# ifdef PACKET_ADD_MEMBERSHIP
case PACKET_ADD_MEMBERSHIP:
case PACKET_DROP_MEMBERSHIP:
print_packet_mreq(tcp, addr, len);
goto done;
# endif /* PACKET_ADD_MEMBERSHIP */
}
break;
#endif /* SOL_PACKET */

4
xlat/packet_mreq_type.in Normal file
View File

@ -0,0 +1,4 @@
PACKET_MR_MULTICAST
PACKET_MR_PROMISC
PACKET_MR_ALLMULTI
PACKET_MR_UNICAST