* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
* Copyright (c) 1996-2000 Wichert Akkerman <wichert@cistron.nl>
+ * Copyright (c) 1999-2017 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
*/
#include "defs.h"
+#include "print_fields.h"
+
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/uio.h>
#if defined(HAVE_LINUX_IP_VS_H)
# include <linux/ip_vs.h>
#endif
-#include <linux/netlink.h>
+#include "netlink.h"
#if defined(HAVE_LINUX_NETFILTER_ARP_ARP_TABLES_H)
# include <linux/netfilter_arp/arp_tables.h>
#endif
#include "xlat/socketlayers.h"
#include "xlat/inet_protocols.h"
-#include "xlat/netlink_protocols.h"
#ifdef HAVE_BLUETOOTH_BLUETOOTH_H
# include <bluetooth/bluetooth.h>
# include "xlat/bt_protocols.h"
#endif
-void
-print_ifindex(unsigned int ifindex)
-{
-#ifdef HAVE_IF_INDEXTONAME
- char buf[IFNAMSIZ + 1];
-
- if (if_indextoname(ifindex, buf)) {
- tprints("if_nametoindex(");
- print_quoted_string(buf, sizeof(buf), QUOTE_0_TERMINATED);
- tprints(")");
- return;
- }
-#endif
- tprintf("%u", ifindex);
-}
-
static void
-decode_sockbuf(struct tcb *const tcp, const int fd, const kernel_ureg_t addr,
- const kernel_ureg_t addrlen)
+decode_sockbuf(struct tcb *const tcp, const int fd, const kernel_ulong_t addr,
+ const kernel_ulong_t addrlen)
{
switch (verbose(tcp) ? getfdproto(tcp, fd) : SOCK_PROTO_UNKNOWN) {
case SOCK_PROTO_NETLINK:
- decode_netlink(tcp, addr, addrlen);
+ decode_netlink(tcp, fd, addr, addrlen);
break;
default:
printstrn(tcp, addr, addrlen);
#endif
default:
- tprintf("%" PRI_kru, tcp->u_arg[2]);
+ tprintf("%" PRI_klu, tcp->u_arg[2]);
break;
}
return RVAL_DECODED | RVAL_FD;
}
-SYS_FUNC(bind)
-{
- printfd(tcp, tcp->u_arg[0]);
- tprints(", ");
- const int addrlen = tcp->u_arg[2];
- decode_sockaddr(tcp, tcp->u_arg[1], addrlen);
- tprintf(", %d", addrlen);
-
- return RVAL_DECODED;
-}
-
-SYS_FUNC(listen)
-{
- printfd(tcp, tcp->u_arg[0]);
- tprints(", ");
- tprintf("%" PRI_kru, tcp->u_arg[1]);
-
- return RVAL_DECODED;
-}
-
static bool
fetch_socklen(struct tcb *const tcp, int *const plen,
- const kernel_ureg_t sockaddr, const kernel_ureg_t socklen)
+ const kernel_ulong_t sockaddr, const kernel_ulong_t socklen)
{
return verbose(tcp) && sockaddr && socklen
&& umove(tcp, socklen, plen) == 0;
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
decode_sockbuf(tcp, tcp->u_arg[0], tcp->u_arg[1], tcp->u_arg[2]);
- tprintf(", %" PRI_kru ", ", tcp->u_arg[2]);
+ tprintf(", %" PRI_klu ", ", tcp->u_arg[2]);
/* flags */
printflags(msg_flags, tcp->u_arg[3], "MSG_???");
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
decode_sockbuf(tcp, tcp->u_arg[0], tcp->u_arg[1], tcp->u_arg[2]);
- tprintf(", %" PRI_kru ", ", tcp->u_arg[2]);
+ tprintf(", %" PRI_klu ", ", tcp->u_arg[2]);
/* flags */
printflags(msg_flags, tcp->u_arg[3], "MSG_???");
/* to address */
tcp->u_rval);
}
- tprintf(", %" PRI_kru ", ", tcp->u_arg[2]);
+ tprintf(", %" PRI_klu ", ", tcp->u_arg[2]);
printflags(msg_flags, tcp->u_arg[3], "MSG_???");
}
return 0;
tcp->u_rval);
}
/* size */
- tprintf(", %" PRI_kru ", ", tcp->u_arg[2]);
+ tprintf(", %" PRI_klu ", ", tcp->u_arg[2]);
/* flags */
printflags(msg_flags, tcp->u_arg[3], "MSG_???");
tprints(", ");
return 0;
}
-#include "xlat/shutdown_modes.h"
-
-SYS_FUNC(shutdown)
-{
- printfd(tcp, tcp->u_arg[0]);
- tprints(", ");
- printxval(shutdown_modes, tcp->u_arg[1], "SHUT_???");
-
- return RVAL_DECODED;
-}
-
SYS_FUNC(getsockname)
{
return decode_sockname(tcp);
}
static void
-decode_pair_fd(struct tcb *const tcp, const kernel_ureg_t addr)
+decode_pair_fd(struct tcb *const tcp, const kernel_ulong_t addr)
{
int pair[2];
printxval(addrfams, tcp->u_arg[0], "AF_???");
tprints(", ");
tprint_sock_type(tcp->u_arg[1]);
- tprintf(", %" PRI_kru, tcp->u_arg[2]);
+ tprintf(", %" PRI_klu, tcp->u_arg[2]);
} else {
tprints(", ");
decode_pair_fd(tcp, tcp->u_arg[3]);
}
static void
-print_linger(struct tcb *const tcp, const kernel_ureg_t addr, const int len)
+print_set_linger(struct tcb *const tcp, const kernel_ulong_t addr,
+ const int len)
{
struct linger linger;
- if (len != sizeof(linger) ||
- umove(tcp, addr, &linger) < 0) {
+ if (len < (int) sizeof(linger)) {
+ printaddr(addr);
+ } else if (!umove_or_printaddr(tcp, addr, &linger)) {
+ PRINT_FIELD_D("{", linger, l_onoff);
+ PRINT_FIELD_D(", ", linger, l_linger);
+ tprints("}");
+ }
+}
+
+static void
+print_get_linger(struct tcb *const tcp, const kernel_ulong_t addr,
+ unsigned int len)
+{
+ struct linger linger;
+
+ if (len < sizeof(linger)) {
+ if (len != sizeof(linger.l_onoff)) {
+ printstr_ex(tcp, addr, len, QUOTE_FORCE_HEX);
+ return;
+ }
+ } else {
+ len = sizeof(linger);
+ }
+
+ if (umoven(tcp, addr, len, &linger) < 0) {
printaddr(addr);
return;
}
- tprintf("{onoff=%d, linger=%d}",
- linger.l_onoff,
- linger.l_linger);
+ PRINT_FIELD_D("{", linger, l_onoff);
+ if (len == sizeof(linger))
+ PRINT_FIELD_D(", ", linger, l_linger);
+ tprints("}");
}
#ifdef SO_PEERCRED
static void
-print_ucred(struct tcb *const tcp, const kernel_ureg_t addr, const int len)
+print_ucred(struct tcb *const tcp, const kernel_ulong_t addr, unsigned int len)
{
struct ucred uc;
- if (len != sizeof(uc) ||
- umove(tcp, addr, &uc) < 0) {
- printaddr(addr);
+ if (len < sizeof(uc)) {
+ if (len != sizeof(uc.pid)
+ && len != offsetofend(struct ucred, uid)) {
+ printstr_ex(tcp, addr, len, QUOTE_FORCE_HEX);
+ return;
+ }
} else {
- tprintf("{pid=%u, uid=%u, gid=%u}",
- (unsigned) uc.pid,
- (unsigned) uc.uid,
- (unsigned) uc.gid);
+ len = sizeof(uc);
+ }
+
+ if (umoven(tcp, addr, len, &uc) < 0) {
+ printaddr(addr);
+ return;
}
+
+ PRINT_FIELD_D("{", uc, pid);
+ if (len > sizeof(uc.pid))
+ PRINT_FIELD_UID(", ", uc, uid);
+ if (len == sizeof(uc))
+ PRINT_FIELD_UID(", ", uc, gid);
+ tprints("}");
}
#endif /* SO_PEERCRED */
#ifdef PACKET_STATISTICS
static void
-print_tpacket_stats(struct tcb *const tcp, const kernel_ureg_t addr,
+print_tpacket_stats(struct tcb *const tcp, const kernel_ulong_t addr,
const int len)
{
struct tpacket_stats stats;
umove(tcp, addr, &stats) < 0) {
printaddr(addr);
} else {
- tprintf("{packets=%u, drops=%u}",
- stats.tp_packets,
- stats.tp_drops);
+ PRINT_FIELD_U("{", stats, tp_packets);
+ PRINT_FIELD_U("{", stats, tp_drops);
+ tprints("}");
}
}
#endif /* PACKET_STATISTICS */
#include "xlat/icmpfilterflags.h"
static void
-print_icmp_filter(struct tcb *const tcp, const kernel_ureg_t addr, int len)
+print_icmp_filter(struct tcb *const tcp, const kernel_ulong_t addr, int len)
{
struct icmp_filter filter = {};
static void
print_getsockopt(struct tcb *const tcp, const unsigned int level,
- const unsigned int name, const kernel_ureg_t addr,
+ const unsigned int name, const kernel_ulong_t addr,
const int len)
{
if (addr && verbose(tcp))
case SOL_SOCKET:
switch (name) {
case SO_LINGER:
- print_linger(tcp, addr, len);
- goto done;
+ print_get_linger(tcp, addr, len);
+ return;
#ifdef SO_PEERCRED
case SO_PEERCRED:
print_ucred(tcp, addr, len);
- goto done;
+ return;
#endif
+#ifdef SO_ATTACH_FILTER
+ case SO_ATTACH_FILTER:
+ if (len && (unsigned short) len == (unsigned int) len)
+ print_sock_fprog(tcp, addr, len);
+ else
+ printaddr(addr);
+ return;
+#endif /* SO_ATTACH_FILTER */
}
break;
#ifdef PACKET_STATISTICS
case PACKET_STATISTICS:
print_tpacket_stats(tcp, addr, len);
- goto done;
+ return;
#endif
}
break;
switch (name) {
case ICMP_FILTER:
print_icmp_filter(tcp, addr, len);
- goto done;
+ return;
}
break;
}
} else {
printaddr(addr);
}
-done:
- tprintf(", [%d]", len);
}
SYS_FUNC(getsockopt)
{
+ int ulen, rlen;
+
if (entering(tcp)) {
print_sockopt_fd_level_name(tcp, tcp->u_arg[0],
tcp->u_arg[1], tcp->u_arg[2], true);
- } else {
- int len;
- if (syserror(tcp) || umove(tcp, tcp->u_arg[4], &len) < 0) {
+ if (verbose(tcp) && tcp->u_arg[4]
+ && umove(tcp, tcp->u_arg[4], &ulen) == 0) {
+ set_tcb_priv_ulong(tcp, ulen);
+ return 0;
+ } else {
printaddr(tcp->u_arg[3]);
tprints(", ");
printaddr(tcp->u_arg[4]);
+ return RVAL_DECODED;
+ }
+ } else {
+ ulen = get_tcb_priv_ulong(tcp);
+
+ if (syserror(tcp) || umove(tcp, tcp->u_arg[4], &rlen) < 0) {
+ printaddr(tcp->u_arg[3]);
+ tprintf(", [%d]", ulen);
} else {
print_getsockopt(tcp, tcp->u_arg[1], tcp->u_arg[2],
- tcp->u_arg[3], len);
+ tcp->u_arg[3], rlen);
+ if (ulen != rlen)
+ tprintf(", [%d->%d]", ulen, rlen);
+ else
+ tprintf(", [%d]", rlen);
}
}
return 0;
#ifdef IP_ADD_MEMBERSHIP
static void
-print_mreq(struct tcb *const tcp, const kernel_ureg_t addr,
- const unsigned int len)
+print_mreq(struct tcb *const tcp, const kernel_ulong_t addr,
+ const int len)
{
struct ip_mreq mreq;
- if (len < sizeof(mreq)) {
- printstrn(tcp, addr, len);
- return;
+ if (len < (int) sizeof(mreq)) {
+ printaddr(addr);
+ } else if (!umove_or_printaddr(tcp, addr, &mreq)) {
+ PRINT_FIELD_INET4_ADDR("{", mreq, imr_multiaddr);
+ PRINT_FIELD_INET4_ADDR(", ", mreq, imr_interface);
+ tprints("}");
}
- if (umove_or_printaddr(tcp, addr, &mreq))
- return;
-
- tprints("{imr_multiaddr=inet_addr(");
- print_quoted_string(inet_ntoa(mreq.imr_multiaddr),
- 16, QUOTE_0_TERMINATED);
- tprints("), imr_interface=inet_addr(");
- print_quoted_string(inet_ntoa(mreq.imr_interface),
- 16, QUOTE_0_TERMINATED);
- tprints(")}");
}
#endif /* IP_ADD_MEMBERSHIP */
#ifdef IPV6_ADD_MEMBERSHIP
static void
-print_mreq6(struct tcb *const tcp, const kernel_ureg_t addr,
- const unsigned int len)
+print_mreq6(struct tcb *const tcp, const kernel_ulong_t addr,
+ const int len)
{
struct ipv6_mreq mreq;
- if (len < sizeof(mreq))
- goto fail;
-
- if (umove_or_printaddr(tcp, addr, &mreq))
- return;
-
- const struct in6_addr *in6 = &mreq.ipv6mr_multiaddr;
- char address[INET6_ADDRSTRLEN];
-
- if (!inet_ntop(AF_INET6, in6, address, sizeof(address)))
- goto fail;
-
- tprints("{ipv6mr_multiaddr=inet_pton(");
- print_quoted_string(address, sizeof(address), QUOTE_0_TERMINATED);
- tprints("), ipv6mr_interface=");
- print_ifindex(mreq.ipv6mr_interface);
- tprints("}");
- return;
-
-fail:
- printstrn(tcp, addr, len);
-}
-#endif /* IPV6_ADD_MEMBERSHIP */
-
-#ifdef MCAST_JOIN_GROUP
-static void
-print_group_req(struct tcb *const tcp, const kernel_ureg_t addr, const int len)
-{
- struct group_req greq;
-
- if (len != sizeof(greq) ||
- umove(tcp, addr, &greq) < 0) {
+ if (len < (int) sizeof(mreq)) {
printaddr(addr);
- return;
+ } else if (!umove_or_printaddr(tcp, addr, &mreq)) {
+ PRINT_FIELD_INET_ADDR("{", mreq, ipv6mr_multiaddr, AF_INET6);
+ PRINT_FIELD_IFINDEX(", ", mreq, ipv6mr_interface);
+ tprints("}");
}
-
- tprintf("{gr_interface=%u, gr_group=", greq.gr_interface);
- print_sockaddr(tcp, &greq.gr_group, sizeof(greq.gr_group));
- tprints("}");
-
}
-#endif /* MCAST_JOIN_GROUP */
+#endif /* IPV6_ADD_MEMBERSHIP */
#ifdef PACKET_RX_RING
static void
-print_tpacket_req(struct tcb *const tcp, const kernel_ureg_t addr, const int len)
+print_tpacket_req(struct tcb *const tcp, const kernel_ulong_t addr, const int len)
{
struct tpacket_req req;
umove(tcp, addr, &req) < 0) {
printaddr(addr);
} else {
- tprintf("{block_size=%u, block_nr=%u, "
- "frame_size=%u, frame_nr=%u}",
- req.tp_block_size,
- req.tp_block_nr,
- req.tp_frame_size,
- req.tp_frame_nr);
+ PRINT_FIELD_U("{", req, tp_block_size);
+ PRINT_FIELD_U(", ", req, tp_block_nr);
+ PRINT_FIELD_U(", ", req, tp_frame_size);
+ PRINT_FIELD_U(", ", req, tp_frame_nr);
+ tprints("}");
}
}
#endif /* PACKET_RX_RING */
# include "xlat/packet_mreq_type.h"
static void
-print_packet_mreq(struct tcb *const tcp, const kernel_ureg_t addr, const int len)
+print_packet_mreq(struct tcb *const tcp, const kernel_ulong_t addr, const int len)
{
struct packet_mreq mreq;
} 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);
+ PRINT_FIELD_IFINDEX("{", mreq, mr_ifindex);
+ PRINT_FIELD_XVAL(", ", mreq, mr_type, packet_mreq_type,
+ "PACKET_MR_???");
+ PRINT_FIELD_U(", ", mreq, mr_alen);
+ tprints(", mr_address=");
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)
static void
print_setsockopt(struct tcb *const tcp, const unsigned int level,
- const unsigned int name, const kernel_ureg_t addr,
+ const unsigned int name, const kernel_ulong_t addr,
const int len)
{
if (addr && verbose(tcp))
case SOL_SOCKET:
switch (name) {
case SO_LINGER:
- print_linger(tcp, addr, len);
- goto done;
+ print_set_linger(tcp, addr, len);
+ return;
+#ifdef SO_ATTACH_FILTER
+ case SO_ATTACH_FILTER:
+# ifdef SO_ATTACH_REUSEPORT_CBPF
+ case SO_ATTACH_REUSEPORT_CBPF:
+# endif
+ if ((unsigned int) len == get_sock_fprog_size())
+ decode_sock_fprog(tcp, addr);
+ else
+ printaddr(addr);
+ return;
+#endif /* SO_ATTACH_FILTER */
}
break;
case IP_ADD_MEMBERSHIP:
case IP_DROP_MEMBERSHIP:
print_mreq(tcp, addr, len);
- goto done;
+ return;
#endif /* IP_ADD_MEMBERSHIP */
#ifdef MCAST_JOIN_GROUP
case MCAST_JOIN_GROUP:
case MCAST_LEAVE_GROUP:
print_group_req(tcp, addr, len);
- goto done;
+ return;
#endif /* MCAST_JOIN_GROUP */
}
break;
case IPV6_LEAVE_ANYCAST:
# endif
print_mreq6(tcp, addr, len);
- goto done;
+ return;
#endif /* IPV6_ADD_MEMBERSHIP */
+#ifdef MCAST_JOIN_GROUP
+ case MCAST_JOIN_GROUP:
+ case MCAST_LEAVE_GROUP:
+ print_group_req(tcp, addr, len);
+ return;
+#endif /* MCAST_JOIN_GROUP */
}
break;
case PACKET_TX_RING:
# endif
print_tpacket_req(tcp, addr, len);
- goto done;
+ return;
#endif /* PACKET_RX_RING */
#ifdef PACKET_ADD_MEMBERSHIP
case PACKET_ADD_MEMBERSHIP:
case PACKET_DROP_MEMBERSHIP:
print_packet_mreq(tcp, addr, len);
- goto done;
+ return;
#endif /* PACKET_ADD_MEMBERSHIP */
}
break;
switch (name) {
case ICMP_FILTER:
print_icmp_filter(tcp, addr, len);
- goto done;
+ return;
}
break;
}
} else {
printaddr(addr);
}
-done:
- tprintf(", %d", len);
}
SYS_FUNC(setsockopt)
tcp->u_arg[1], tcp->u_arg[2], false);
print_setsockopt(tcp, tcp->u_arg[1], tcp->u_arg[2],
tcp->u_arg[3], tcp->u_arg[4]);
+ tprintf(", %d", (int) tcp->u_arg[4]);
return RVAL_DECODED;
}
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