#include "xlat/inet_protocols.h"
-#ifdef HAVE_BLUETOOTH_BLUETOOTH_H
-# include <bluetooth/bluetooth.h>
-# include "xlat/bt_protocols.h"
-#endif
+#define XLAT_MACROS_ONLY
+# include "xlat/addrfams.h"
+# include "xlat/ethernet_protocols.h"
+#undef XLAT_MACROS_ONLY
+#include "xlat/irda_protocols.h"
+#include "xlat/can_protocols.h"
+#include "xlat/bt_protocols.h"
+#include "xlat/isdn_protocols.h"
+#include "xlat/phonet_protocols.h"
+#include "xlat/caif_protocols.h"
+#include "xlat/nfc_protocols.h"
+#include "xlat/kcm_protocols.h"
+#include "xlat/smc_protocols.h"
+
+const size_t inet_protocols_size = ARRAY_SIZE(inet_protocols) - 1;
static void
decode_sockbuf(struct tcb *const tcp, const int fd, const kernel_ulong_t addr,
switch (tcp->u_arg[0]) {
case AF_INET:
case AF_INET6:
- printxval(inet_protocols, tcp->u_arg[2], "IPPROTO_???");
+ printxval_search(inet_protocols, tcp->u_arg[2], "IPPROTO_???");
break;
case AF_NETLINK:
printxval(netlink_protocols, tcp->u_arg[2], "NETLINK_???");
break;
-#ifdef HAVE_BLUETOOTH_BLUETOOTH_H
+ case AF_PACKET:
+ tprints("htons(");
+ printxval_searchn(ethernet_protocols, ethernet_protocols_size,
+ ntohs(tcp->u_arg[2]), "ETH_P_???");
+ tprints(")");
+ break;
+
+ case AF_IRDA:
+ printxval_index(can_protocols, tcp->u_arg[2], "IRDAPROTO_???");
+ break;
+
+ case AF_CAN:
+ printxval_index(can_protocols, tcp->u_arg[2], "CAN_???");
+ break;
+
case AF_BLUETOOTH:
- printxval(bt_protocols, tcp->u_arg[2], "BTPROTO_???");
+ printxval_index(bt_protocols, tcp->u_arg[2], "BTPROTO_???");
+ break;
+
+ case AF_RXRPC:
+ printxval(addrfams, tcp->u_arg[2], "AF_???");
+ break;
+
+ case AF_ISDN:
+ printxval(isdn_protocols, tcp->u_arg[2], "ISDN_P_???");
+ break;
+
+ case AF_PHONET:
+ printxval_index(phonet_protocols, tcp->u_arg[2], "PN_PROTO_???");
+ break;
+
+ case AF_CAIF:
+ printxval_index(caif_protocols, tcp->u_arg[2], "CAIFPROTO_???");
+ break;
+
+ case AF_NFC:
+ printxval_index(nfc_protocols, tcp->u_arg[2],
+ "NFC_SOCKPROTO_???");
+ break;
+
+ case AF_KCM:
+ printxval_index(kcm_protocols, tcp->u_arg[2], "KCMPROTO_???");
+ break;
+
+ case AF_SMC:
+ printxval_index(smc_protocols, tcp->u_arg[2], "SMCPROTO_???");
break;
-#endif
default:
tprintf("%" PRI_klu, tcp->u_arg[2]);
return 0;
}
-#include "xlat/sockoptions.h"
-#include "xlat/sockipoptions.h"
-#include "xlat/getsockipoptions.h"
-#include "xlat/setsockipoptions.h"
-#include "xlat/sockipv6options.h"
-#include "xlat/getsockipv6options.h"
-#include "xlat/setsockipv6options.h"
-#include "xlat/sockipxoptions.h"
-#include "xlat/socknetlinkoptions.h"
-#include "xlat/sockpacketoptions.h"
-#include "xlat/sockrawoptions.h"
-#include "xlat/socksctpoptions.h"
-#include "xlat/socktcpoptions.h"
+#include "xlat/sock_options.h"
+#include "xlat/getsock_options.h"
+#include "xlat/setsock_options.h"
+#include "xlat/sock_ip_options.h"
+#include "xlat/getsock_ip_options.h"
+#include "xlat/setsock_ip_options.h"
+#include "xlat/sock_ipv6_options.h"
+#include "xlat/getsock_ipv6_options.h"
+#include "xlat/setsock_ipv6_options.h"
+#include "xlat/sock_ipx_options.h"
+#include "xlat/sock_netlink_options.h"
+#include "xlat/sock_packet_options.h"
+#include "xlat/sock_raw_options.h"
+#include "xlat/sock_sctp_options.h"
+#include "xlat/sock_tcp_options.h"
+#include "xlat/sock_udp_options.h"
+#include "xlat/sock_irda_options.h"
+#include "xlat/sock_llc_options.h"
+#include "xlat/sock_dccp_options.h"
+#include "xlat/sock_tipc_options.h"
+#include "xlat/sock_rxrpc_options.h"
+#include "xlat/sock_pppol2tp_options.h"
+#include "xlat/sock_bluetooth_options.h"
+#include "xlat/sock_pnp_options.h"
+#include "xlat/sock_rds_options.h"
+#include "xlat/sock_iucv_options.h"
+#include "xlat/sock_caif_options.h"
+#include "xlat/sock_alg_options.h"
+#include "xlat/sock_nfcllcp_options.h"
+#include "xlat/sock_kcm_options.h"
+#include "xlat/sock_tls_options.h"
+#include "xlat/sock_xdp_options.h"
static void
print_sockopt_fd_level_name(struct tcb *tcp, int fd, unsigned int level,
{
printfd(tcp, fd);
tprints(", ");
- printxval(socketlayers, level, "SOL_??");
+ printxval_search(socketlayers, level, "SOL_??");
tprints(", ");
switch (level) {
case SOL_SOCKET:
- printxval(sockoptions, name, "SO_???");
+ printxvals(name, "SO_???", sock_options,
+ is_getsockopt ? getsock_options :
+ setsock_options, NULL);
break;
case SOL_IP:
- printxvals(name, "IP_???", sockipoptions,
- is_getsockopt ? getsockipoptions : setsockipoptions, NULL);
+ printxvals(name, "IP_???", sock_ip_options,
+ is_getsockopt ? getsock_ip_options :
+ setsock_ip_options, NULL);
break;
case SOL_IPV6:
- printxvals(name, "IPV6_???", sockipv6options,
- is_getsockopt ? getsockipv6options : setsockipv6options, NULL);
+ printxvals(name, "IPV6_???", sock_ipv6_options,
+ is_getsockopt ? getsock_ipv6_options :
+ setsock_ipv6_options, NULL);
break;
case SOL_IPX:
- printxval(sockipxoptions, name, "IPX_???");
+ printxval(sock_ipx_options, name, "IPX_???");
break;
case SOL_PACKET:
- printxval(sockpacketoptions, name, "PACKET_???");
+ printxval(sock_packet_options, name, "PACKET_???");
break;
case SOL_TCP:
- printxval(socktcpoptions, name, "TCP_???");
+ printxval_index(sock_tcp_options, name, "TCP_???");
break;
case SOL_SCTP:
- printxval(socksctpoptions, name, "SCTP_???");
+ printxval(sock_sctp_options, name, "SCTP_???");
break;
case SOL_RAW:
- printxval(sockrawoptions, name, "RAW_???");
+ printxval(sock_raw_options, name, "RAW_???");
break;
case SOL_NETLINK:
- printxval(socknetlinkoptions, name, "NETLINK_???");
+ printxval(sock_netlink_options, name, "NETLINK_???");
+ break;
+ case SOL_UDP:
+ printxval(sock_udp_options, name, "UDP_???");
+ break;
+ case SOL_IRDA:
+ printxval_index(sock_irda_options, name, "IRLMP_???");
+ break;
+ case SOL_LLC:
+ printxval_index(sock_llc_options, name, "LLC_OPT_???");
+ break;
+ case SOL_DCCP:
+ printxval_search(sock_dccp_options, name, "DCCP_SOCKOPT_???");
+ break;
+ case SOL_TIPC:
+ printxval_search(sock_tipc_options, name, "TIPC_???");
+ break;
+ case SOL_RXRPC:
+ printxval_index(sock_rxrpc_options, name, "RXRPC_???");
+ break;
+ case SOL_PPPOL2TP:
+ printxval_index(sock_pppol2tp_options, name, "PPPOL2TP_SO_???");
+ break;
+ case SOL_BLUETOOTH:
+ printxval_search(sock_bluetooth_options, name, "BT_???");
+ break;
+ case SOL_PNPIPE:
+ printxval(sock_pnp_options, name, "PNPIPE_???");
+ break;
+ case SOL_RDS:
+ printxval_search(sock_rds_options, name, "RDS_???");
+ break;
+ case SOL_IUCV:
+ printxval(sock_iucv_options, name, "SO_???");
+ break;
+ case SOL_CAIF:
+ printxval(sock_caif_options, name, "CAIFSO_???");
+ break;
+ case SOL_ALG:
+ printxval_index(sock_alg_options, name, "ALG_???");
+ break;
+ case SOL_NFC:
+ printxval_index(sock_nfcllcp_options, name, "NFC_LLCP_???");
+ break;
+ case SOL_KCM:
+ printxval(sock_kcm_options, name, "KCM_???");
+ break;
+ case SOL_TLS:
+ printxval(sock_tls_options, name, "TLS_???");
+ break;
+ case SOL_XDP:
+ printxval_index(sock_xdp_options, name, "XDP_???");
break;
/* Other SOL_* protocol levels still need work. */
tprints(", ");
}
-static void
-print_set_linger(struct tcb *const tcp, const kernel_ulong_t addr,
- const int len)
-{
- struct linger linger;
-
- 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 {
+ /*
+ * The kernel cannot return len > sizeof(linger) because struct linger
+ * cannot change, but extra safety won't harm either.
+ */
+ if (len > sizeof(linger))
len = sizeof(linger);
- }
-
- if (umoven(tcp, addr, len, &linger) < 0) {
- printaddr(addr);
+ if (umoven_or_printaddr(tcp, addr, len, &linger))
return;
- }
- PRINT_FIELD_D("{", linger, l_onoff);
- if (len == sizeof(linger))
- PRINT_FIELD_D(", ", linger, l_linger);
+ if (len < sizeof(linger.l_onoff)) {
+ tprints("{l_onoff=");
+ print_quoted_string((void *) &linger.l_onoff,
+ len, QUOTE_FORCE_HEX);
+ } else {
+ PRINT_FIELD_D("{", linger, l_onoff);
+
+ if (len > offsetof(struct linger, l_linger)) {
+ len -= offsetof(struct linger, l_linger);
+ if (len < sizeof(linger.l_linger)) {
+ tprints(", l_linger=");
+ print_quoted_string((void *) &linger.l_linger,
+ len, QUOTE_FORCE_HEX);
+ } else {
+ PRINT_FIELD_D(", ", linger, l_linger);
+ }
+ }
+ }
tprints("}");
}
-#ifdef SO_PEERCRED
static void
-print_ucred(struct tcb *const tcp, const kernel_ulong_t addr, unsigned int len)
+print_get_ucred(struct tcb *const tcp, const kernel_ulong_t addr,
+ unsigned int len)
{
struct ucred uc;
- if (len < sizeof(uc)) {
- if (len != sizeof(uc.pid)
- && len != offsetofend(struct ucred, uid)) {
- printstr_ex(tcp, addr, len, QUOTE_FORCE_HEX);
- return;
- }
- } else {
+ /*
+ * The kernel is very unlikely to return len > sizeof(uc)
+ * because struct ucred is very unlikely to change,
+ * but extra safety won't harm either.
+ */
+ if (len > sizeof(uc))
len = sizeof(uc);
- }
- if (umoven(tcp, addr, len, &uc) < 0) {
- printaddr(addr);
+ if (umoven_or_printaddr(tcp, addr, len, &uc))
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);
+ if (len < sizeof(uc.pid)) {
+ tprints("{pid=");
+ print_quoted_string((void *) &uc.pid,
+ len, QUOTE_FORCE_HEX);
+ } else {
+ PRINT_FIELD_D("{", uc, pid);
+
+ if (len > offsetof(struct ucred, uid)) {
+ len -= offsetof(struct ucred, uid);
+ if (len < sizeof(uc.uid)) {
+ tprints(", uid=");
+ print_quoted_string((void *) &uc.uid,
+ len, QUOTE_FORCE_HEX);
+ } else {
+ PRINT_FIELD_UID(", ", uc, uid);
+
+ if (len > offsetof(struct ucred, gid) -
+ offsetof(struct ucred, uid)) {
+ len -= offsetof(struct ucred, gid) -
+ offsetof(struct ucred, uid);
+ if (len < sizeof(uc.gid)) {
+ tprints(", gid=");
+ print_quoted_string((void *) &uc.gid,
+ len,
+ QUOTE_FORCE_HEX);
+ } else {
+ PRINT_FIELD_UID(", ", uc, gid);
+ }
+ }
+ }
+ }
+ }
tprints("}");
}
-#endif /* SO_PEERCRED */
#ifdef PACKET_STATISTICS
static void
print_tpacket_stats(struct tcb *const tcp, const kernel_ulong_t addr,
- const int len)
+ unsigned int len)
{
- struct tpacket_stats stats;
+ struct tp_stats {
+ unsigned int tp_packets, tp_drops, tp_freeze_q_cnt;
+ } stats;
+
+ /*
+ * The kernel may return len > sizeof(stats) if the kernel structure
+ * grew as it happened when tpacket_stats_v3 was introduced.
+ */
+ if (len > sizeof(stats))
+ len = sizeof(stats);
+
+ if (umoven_or_printaddr(tcp, addr, len, &stats))
+ return;
- if (len != sizeof(stats) ||
- umove(tcp, addr, &stats) < 0) {
- printaddr(addr);
+ if (len < sizeof(stats.tp_packets)) {
+ tprints("{tp_packets=");
+ print_quoted_string((void *) &stats.tp_packets,
+ len, QUOTE_FORCE_HEX);
} else {
PRINT_FIELD_U("{", stats, tp_packets);
- PRINT_FIELD_U("{", stats, tp_drops);
- tprints("}");
+
+ if (len > offsetof(struct tp_stats, tp_drops)) {
+ len -= offsetof(struct tp_stats, tp_drops);
+ if (len < sizeof(stats.tp_drops)) {
+ tprints(", tp_drops=");
+ print_quoted_string((void *) &stats.tp_drops,
+ len, QUOTE_FORCE_HEX);
+ } else {
+ PRINT_FIELD_U(", ", stats, tp_drops);
+
+ if (len > offsetof(struct tp_stats, tp_freeze_q_cnt) -
+ offsetof(struct tp_stats, tp_drops)) {
+ len -= offsetof(struct tp_stats, tp_freeze_q_cnt) -
+ offsetof(struct tp_stats, tp_drops);
+ if (len < sizeof(stats.tp_freeze_q_cnt)) {
+ tprints(", tp_freeze_q_cnt=");
+ print_quoted_string((void *) &stats.tp_freeze_q_cnt,
+ len,
+ QUOTE_FORCE_HEX);
+ } else {
+ PRINT_FIELD_U(", ", stats, tp_freeze_q_cnt);
+ }
+ }
+ }
+ }
}
+ tprints("}");
}
#endif /* PACKET_STATISTICS */
const unsigned int name, const kernel_ulong_t addr,
const int ulen, const int rlen)
{
+ if (ulen <= 0 || rlen <= 0) {
+ /*
+ * As the kernel neither accepts nor returns a negative
+ * length in case of successful getsockopt syscall
+ * invocation, negative values must have been forged
+ * by userspace.
+ */
+ printaddr(addr);
+ return;
+ }
+
if (addr && verbose(tcp))
switch (level) {
case SOL_SOCKET:
case SO_LINGER:
print_get_linger(tcp, addr, rlen);
return;
-#ifdef SO_PEERCRED
case SO_PEERCRED:
- print_ucred(tcp, addr, rlen);
+ print_get_ucred(tcp, addr, rlen);
return;
-#endif
-#ifdef SO_ATTACH_FILTER
case SO_ATTACH_FILTER:
- if (rlen && (unsigned short) rlen == (unsigned int) rlen)
+ /*
+ * The length returned by the kernel in case of
+ * successful getsockopt syscall invocation is struct
+ * sock_fprog.len that has type unsigned short,
+ * anything else must have been forged by userspace.
+ */
+ if ((unsigned short) rlen == (unsigned int) rlen)
print_sock_fprog(tcp, addr, rlen);
else
printaddr(addr);
return;
-#endif /* SO_ATTACH_FILTER */
}
break;
break;
case SOL_NETLINK:
- if (ulen < 0 || rlen < 0) {
- /*
- * As the kernel neither accepts nor returns a negative
- * length, in case of successful getsockopt syscall
- * invocation these negative values must have come
- * from userspace.
- */
- printaddr(addr);
- return;
- }
switch (name) {
case NETLINK_LIST_MEMBERSHIPS: {
uint32_t buf;
print_array(tcp, addr, MIN(ulen, rlen) / sizeof(buf),
&buf, sizeof(buf),
- umoven_or_printaddr, print_uint32, 0);
+ tfetch_mem, print_uint32, 0);
break;
}
default:
return 0;
}
+static void
+print_set_linger(struct tcb *const tcp, const kernel_ulong_t addr,
+ const int len)
+{
+ struct linger linger;
+
+ 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("}");
+ }
+}
+
#ifdef IP_ADD_MEMBERSHIP
static void
print_mreq(struct tcb *const tcp, const kernel_ulong_t addr,
case SO_LINGER:
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;
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