#endif
#include <linux/if_packet.h>
#include <linux/icmp.h>
-#ifdef HAVE_BLUETOOTH_BLUETOOTH_H
-# include <bluetooth/bluetooth.h>
-# include <bluetooth/hci.h>
-# include <bluetooth/l2cap.h>
-# include <bluetooth/rfcomm.h>
-# include <bluetooth/sco.h>
-#endif
-#include "xlat/addrfams.h"
#include "xlat/socktypes.h"
#include "xlat/sock_type_flags.h"
#ifndef SOCK_TYPE_MASK
#include "xlat/socketlayers.h"
#include "xlat/inet_protocols.h"
-
-#if !defined NETLINK_SOCK_DIAG && defined NETLINK_INET_DIAG
-# define NETLINK_SOCK_DIAG NETLINK_INET_DIAG
-#endif
#include "xlat/netlink_protocols.h"
-#if defined(HAVE_BLUETOOTH_BLUETOOTH_H)
+#ifdef HAVE_BLUETOOTH_BLUETOOTH_H
+# include <bluetooth/bluetooth.h>
# include "xlat/bt_protocols.h"
#endif
-#include "xlat/msg_flags.h"
-
-#include "xlat/af_packet_types.h"
-
-static void
-print_sockaddr_data_un(const void *const buf, const int addrlen)
-{
- const struct sockaddr_un *const sa_un = buf;
-
- if (addrlen == 2) {
- tprints("NULL");
- } else if (sa_un->sun_path[0]) {
- tprints("sun_path=");
- print_quoted_string(sa_un->sun_path,
- sizeof(sa_un->sun_path) + 1,
- QUOTE_0_TERMINATED);
- } else {
- tprints("sun_path=@");
- print_quoted_string(sa_un->sun_path + 1,
- sizeof(sa_un->sun_path),
- QUOTE_0_TERMINATED);
- }
-}
-
-static void
-print_sockaddr_data_in(const void *const buf, const int addrlen)
-{
- const struct sockaddr_in *const sa_in = buf;
-
- tprintf("sin_port=htons(%u), sin_addr=inet_addr(\"%s\")",
- ntohs(sa_in->sin_port), inet_ntoa(sa_in->sin_addr));
-}
-
-static void
+void
print_ifindex(unsigned int ifindex)
{
#ifdef HAVE_IF_INDEXTONAME
}
static void
-print_sockaddr_data_in6(const void *const buf, const int addrlen)
-{
- const struct sockaddr_in6 *const sa_in6 = buf;
-
- char string_addr[100];
- inet_ntop(AF_INET6, &sa_in6->sin6_addr,
- string_addr, sizeof(string_addr));
- tprintf("sin6_port=htons(%u), inet_pton(AF_INET6"
- ", \"%s\", &sin6_addr), sin6_flowinfo=%u",
- ntohs(sa_in6->sin6_port), string_addr,
- sa_in6->sin6_flowinfo);
-#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
- tprints(", sin6_scope_id=");
-# if defined IN6_IS_ADDR_LINKLOCAL && defined IN6_IS_ADDR_MC_LINKLOCAL
- if (IN6_IS_ADDR_LINKLOCAL(&sa_in6->sin6_addr)
- || IN6_IS_ADDR_MC_LINKLOCAL(&sa_in6->sin6_addr))
- print_ifindex(sa_in6->sin6_scope_id);
- else
-# endif
- tprintf("%u", sa_in6->sin6_scope_id);
-#endif /* HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID */
-}
-
-static void
-print_sockaddr_data_ipx(const void *const buf, const int addrlen)
-{
- const struct sockaddr_ipx *const sa_ipx = buf;
- unsigned int i;
-
- tprintf("sipx_port=htons(%u)"
- ", sipx_network=htonl(%08x)"
- ", sipx_node=[",
- ntohs(sa_ipx->sipx_port),
- ntohl(sa_ipx->sipx_network));
- for (i = 0; i < IPX_NODE_LEN; ++i) {
- tprintf("%s%02x", i ? ", " : "",
- sa_ipx->sipx_node[i]);
- }
- tprintf("], sipx_type=%02x", sa_ipx->sipx_type);
-}
-
-static void
-print_sockaddr_data_nl(const void *const buf, const int addrlen)
-{
- const struct sockaddr_nl *const sa_nl = buf;
-
- tprintf("pid=%d, groups=%08x", sa_nl->nl_pid, sa_nl->nl_groups);
-}
-
-static void
-print_sockaddr_data_ll(const void *const buf, const int addrlen)
-{
- const struct sockaddr_ll *const sa_ll = buf;
- unsigned int i;
-
- tprintf("proto=%#04x, if%d, pkttype=",
- ntohs(sa_ll->sll_protocol),
- sa_ll->sll_ifindex);
- printxval(af_packet_types, sa_ll->sll_pkttype, "PACKET_???");
- tprintf(", addr(%d)={%d, ", sa_ll->sll_halen, sa_ll->sll_hatype);
- for (i = 0; i < sa_ll->sll_halen; i++)
- tprintf("%02x", sa_ll->sll_addr[i]);
-}
-
-#ifdef HAVE_BLUETOOTH_BLUETOOTH_H
-static void
-print_sockaddr_data_bt(const void *const buf, const int addrlen)
+decode_sockbuf(struct tcb *tcp, int fd, long addr, long addrlen)
{
- const union {
- struct sockaddr_hci hci;
- struct sockaddr_l2 l2;
- struct sockaddr_rc rc;
- struct sockaddr_sco sco;
- } *const addr = buf;
-
- tprintf("{sco_bdaddr=%02X:%02X:%02X:%02X:%02X:%02X} or "
- "{rc_bdaddr=%02X:%02X:%02X:%02X:%02X:%02X, rc_channel=%d} or "
- "{l2_psm=htobs(%d), l2_bdaddr=%02X:%02X:%02X:%02X:%02X:%02X, l2_cid=htobs(%d)} or "
- "{hci_dev=htobs(%d)}",
- addr->sco.sco_bdaddr.b[0], addr->sco.sco_bdaddr.b[1],
- addr->sco.sco_bdaddr.b[2], addr->sco.sco_bdaddr.b[3],
- addr->sco.sco_bdaddr.b[4], addr->sco.sco_bdaddr.b[5],
- addr->rc.rc_bdaddr.b[0], addr->rc.rc_bdaddr.b[1],
- addr->rc.rc_bdaddr.b[2], addr->rc.rc_bdaddr.b[3],
- addr->rc.rc_bdaddr.b[4], addr->rc.rc_bdaddr.b[5],
- addr->rc.rc_channel,
- btohs(addr->l2.l2_psm), addr->l2.l2_bdaddr.b[0],
- addr->l2.l2_bdaddr.b[1], addr->l2.l2_bdaddr.b[2],
- addr->l2.l2_bdaddr.b[3], addr->l2.l2_bdaddr.b[4],
- addr->l2.l2_bdaddr.b[5], btohs(addr->l2.l2_cid),
- btohs(addr->hci.hci_dev));
-}
-#endif /* HAVE_BLUETOOTH_BLUETOOTH_H */
-
-typedef void (* const sockaddr_printer)(const void *const, const int);
-
-static const sockaddr_printer sa_printers[] = {
- [AF_UNIX] = print_sockaddr_data_un,
- [AF_INET] = print_sockaddr_data_in,
- [AF_IPX] = print_sockaddr_data_ipx,
- [AF_INET6] = print_sockaddr_data_in6,
- [AF_NETLINK] = print_sockaddr_data_nl,
- [AF_PACKET] = print_sockaddr_data_ll,
-#ifdef HAVE_BLUETOOTH_BLUETOOTH_H
- [AF_BLUETOOTH] = print_sockaddr_data_bt,
-#endif
-};
-
-void
-print_sockaddr(struct tcb *tcp, const void *const buf, const int addrlen)
-{
- const struct sockaddr *const sa = buf;
- const unsigned short family = sa->sa_family;
-
- tprints("{sa_family=");
- printxval(addrfams, family, "AF_???");
- tprints(", ");
-
- if (family < ARRAY_SIZE(sa_printers) && sa_printers[family]) {
- sa_printers[family](buf, addrlen);
- } else {
- tprints("sa_data=");
- print_quoted_string(sa->sa_data, sizeof(sa->sa_data), 0);
- }
-
- tprints("}");
-}
-
-int
-printsock(struct tcb *tcp, long addr, int addrlen)
-{
- if (addrlen < 2) {
- printaddr(addr);
- return -1;
- }
- union {
- struct sockaddr sa;
- struct sockaddr_storage storage;
- char pad[sizeof(struct sockaddr_storage) + 1];
- } addrbuf;
-
- if ((unsigned) addrlen > sizeof(addrbuf.storage))
- addrlen = sizeof(addrbuf.storage);
-
- if (umoven_or_printaddr(tcp, addr, addrlen, addrbuf.pad))
- return -1;
-
- memset(&addrbuf.pad[addrlen], 0, sizeof(addrbuf.pad) - addrlen);
-
- print_sockaddr(tcp, &addrbuf, addrlen);
-
- return addrbuf.sa.sa_family;
-}
-
-#include "xlat/scmvals.h"
-#include "xlat/ip_cmsg_types.h"
-
-#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
-struct cmsghdr32 {
- uint32_t cmsg_len;
- int cmsg_level;
- int cmsg_type;
-};
-#endif
-
-typedef union {
- char *ptr;
- struct cmsghdr *cmsg;
-#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
- struct cmsghdr32 *cmsg32;
-#endif
-} union_cmsghdr;
-
-static void
-print_scm_rights(struct tcb *tcp, const void *cmsg_data,
- const size_t data_len)
-{
- const int *fds = cmsg_data;
- const char *end = (const char *) cmsg_data + data_len;
- bool seen = false;
-
- if (sizeof(*fds) > data_len)
- return;
-
- tprints(", [");
- while ((const char *) fds < end) {
- if (seen)
- tprints(", ");
- else
- seen = true;
- printfd(tcp, *fds++);
- }
- tprints("]");
-}
-
-static void
-print_scm_creds(struct tcb *tcp, const void *cmsg_data,
- const size_t data_len)
-{
- const struct ucred *uc = cmsg_data;
-
- if (sizeof(*uc) > data_len)
- return;
-
- tprintf(", {pid=%u, uid=%u, gid=%u}",
- (unsigned) uc->pid, (unsigned) uc->uid, (unsigned) uc->gid);
-}
-
-static void
-print_scm_security(struct tcb *tcp, const void *cmsg_data,
- const size_t data_len)
-{
- if (!data_len)
- return;
-
- tprints(", ");
- print_quoted_string(cmsg_data, data_len, 0);
-}
-
-static void
-print_cmsg_ip_pktinfo(struct tcb *tcp, const void *cmsg_data,
- const size_t data_len)
-{
- const struct in_pktinfo *info = cmsg_data;
-
- if (sizeof(*info) > data_len)
- return;
-
- tprints(", {ipi_ifindex=");
- print_ifindex(info->ipi_ifindex);
- tprintf(", ipi_spec_dst=inet_addr(\"%s\"), ipi_addr=inet_addr(\"%s\")}",
- inet_ntoa(info->ipi_spec_dst), inet_ntoa(info->ipi_addr));
-}
-
-static void
-print_cmsg_ip_ttl(struct tcb *tcp, const void *cmsg_data,
- const size_t data_len)
-{
- const unsigned int *ttl = cmsg_data;
-
- if (sizeof(*ttl) > data_len)
- return;
-
- tprintf(", {ttl=%u}", *ttl);
-}
-
-static void
-print_cmsg_ip_tos(struct tcb *tcp, const void *cmsg_data,
- const size_t data_len)
-{
- const uint8_t *tos = cmsg_data;
-
- if (sizeof(*tos) > data_len)
- return;
-
- tprintf(", {tos=%x}", *tos);
-}
-
-static void
-print_cmsg_ip_checksum(struct tcb *tcp, const void *cmsg_data,
- const size_t data_len)
-{
- const uint32_t *csum = cmsg_data;
-
- if (sizeof(*csum) > data_len)
- return;
-
- tprintf(", {csum=%u}", *csum);
-}
-
-static void
-print_cmsg_ip_opts(struct tcb *tcp, const void *cmsg_data,
- const size_t data_len)
-{
- const unsigned char *opts = cmsg_data;
- size_t i;
-
- if (!data_len)
- return;
-
- tprints(", {opts=0x");
- for (i = 0; i < data_len; ++i)
- tprintf("%02x", opts[i]);
- tprints("}");
-}
-
-static void
-print_cmsg_ip_recverr(struct tcb *tcp, const void *cmsg_data,
- const size_t data_len)
-{
- const struct {
- uint32_t ee_errno;
- uint8_t ee_origin;
- uint8_t ee_type;
- uint8_t ee_code;
- uint8_t ee_pad;
- uint32_t ee_info;
- uint32_t ee_data;
- struct sockaddr_in offender;
- } *err = cmsg_data;
-
- if (sizeof(*err) > data_len)
- return;
-
- tprintf(", {ee_errno=%u, ee_origin=%u, ee_type=%u, ee_code=%u"
- ", ee_info=%u, ee_data=%u, offender=",
- err->ee_errno, err->ee_origin, err->ee_type,
- err->ee_code, err->ee_info, err->ee_data);
- print_sockaddr(tcp, &err->offender, sizeof(err->offender));
- tprints("}");
-}
-
-static void
-print_cmsg_ip_origdstaddr(struct tcb *tcp, const void *cmsg_data,
- const size_t data_len)
-{
- if (sizeof(struct sockaddr_in) > data_len)
- return;
-
- tprints(", ");
- print_sockaddr(tcp, cmsg_data, data_len);
-}
-
-static void
-print_cmsg_type_data(struct tcb *tcp, const int cmsg_level, const int cmsg_type,
- const void *cmsg_data, const size_t data_len)
-{
- switch (cmsg_level) {
- case SOL_SOCKET:
- printxval(scmvals, cmsg_type, "SCM_???");
- switch (cmsg_type) {
- case SCM_RIGHTS:
- print_scm_rights(tcp, cmsg_data, data_len);
- break;
- case SCM_CREDENTIALS:
- print_scm_creds(tcp, cmsg_data, data_len);
- break;
- case SCM_SECURITY:
- print_scm_security(tcp, cmsg_data, data_len);
- break;
- }
- break;
- case SOL_IP:
- printxval(ip_cmsg_types, cmsg_type, "IP_???");
- switch (cmsg_type) {
- case IP_PKTINFO:
- print_cmsg_ip_pktinfo(tcp, cmsg_data, data_len);
- break;
- case IP_TTL:
- print_cmsg_ip_ttl(tcp, cmsg_data, data_len);
- break;
- case IP_TOS:
- print_cmsg_ip_tos(tcp, cmsg_data, data_len);
- break;
- case IP_RECVOPTS:
- case IP_RETOPTS:
- print_cmsg_ip_opts(tcp, cmsg_data, data_len);
- break;
- case IP_RECVERR:
- print_cmsg_ip_recverr(tcp, cmsg_data, data_len);
- break;
- case IP_ORIGDSTADDR:
- print_cmsg_ip_origdstaddr(tcp, cmsg_data, data_len);
- break;
- case IP_CHECKSUM:
- print_cmsg_ip_checksum(tcp, cmsg_data, data_len);
- break;
- case SCM_SECURITY:
- print_scm_security(tcp, cmsg_data, data_len);
- break;
- }
+ switch (verbose(tcp) ? getfdproto(tcp, fd) : SOCK_PROTO_UNKNOWN) {
+ case SOCK_PROTO_NETLINK:
+ decode_netlink(tcp, addr, addrlen);
break;
default:
- tprintf("%u", cmsg_type);
- }
-}
-
-static void
-printcmsghdr(struct tcb *tcp, unsigned long addr, size_t len)
-{
- const size_t cmsg_size =
-#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
- (current_wordsize < sizeof(long)) ? sizeof(struct cmsghdr32) :
-#endif
- sizeof(struct cmsghdr);
-
- char *buf = len < cmsg_size ? NULL : malloc(len);
- if (!buf || umoven(tcp, addr, len, buf) < 0) {
- tprints(", msg_control=");
- printaddr(addr);
- free(buf);
- return;
- }
-
- union_cmsghdr u = { .ptr = buf };
-
- tprints(", [");
- while (len >= cmsg_size) {
- size_t cmsg_len =
-#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
- (current_wordsize < sizeof(long)) ? u.cmsg32->cmsg_len :
-#endif
- u.cmsg->cmsg_len;
- int cmsg_level =
-#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
- (current_wordsize < sizeof(long)) ? u.cmsg32->cmsg_level :
-#endif
- u.cmsg->cmsg_level;
- int cmsg_type =
-#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
- (current_wordsize < sizeof(long)) ? u.cmsg32->cmsg_type :
-#endif
- u.cmsg->cmsg_type;
-
- if (u.ptr != buf)
- tprints(", ");
- tprintf("{cmsg_len=%lu, cmsg_level=", (unsigned long) cmsg_len);
- printxval(socketlayers, cmsg_level, "SOL_???");
- tprints(", cmsg_type=");
-
- if (cmsg_len > len)
- cmsg_len = len;
-
- print_cmsg_type_data(tcp, cmsg_level, cmsg_type,
- (const void *) (u.ptr + cmsg_size),
- cmsg_len > cmsg_size ? cmsg_len - cmsg_size: 0);
- tprints("}");
-
- if (cmsg_len < cmsg_size) {
- len -= cmsg_size;
- break;
- }
- cmsg_len = (cmsg_len + current_wordsize - 1) &
- (size_t) ~(current_wordsize - 1);
- if (cmsg_len >= len) {
- len = 0;
- break;
- }
- u.ptr += cmsg_len;
- len -= cmsg_len;
- }
- if (len)
- tprints(", ...");
- tprints("]");
- free(buf);
-}
-
-static void
-do_msghdr(struct tcb *tcp, struct msghdr *msg, unsigned long data_size)
-{
- tprintf("{msg_name(%d)=", msg->msg_namelen);
- printsock(tcp, (long)msg->msg_name, msg->msg_namelen);
-
- tprintf(", msg_iov(%lu)=", (unsigned long)msg->msg_iovlen);
-
- tprint_iov_upto(tcp, (unsigned long)msg->msg_iovlen,
- (unsigned long)msg->msg_iov, IOV_DECODE_STR, data_size);
-
-#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL
- tprintf(", msg_controllen=%lu", (unsigned long)msg->msg_controllen);
- if (msg->msg_controllen)
- printcmsghdr(tcp, (unsigned long) msg->msg_control,
- msg->msg_controllen);
- tprints(", msg_flags=");
- printflags(msg_flags, msg->msg_flags, "MSG_???");
-#else /* !HAVE_STRUCT_MSGHDR_MSG_CONTROL */
- tprintf("msg_accrights=%#lx, msg_accrightslen=%u",
- (unsigned long) msg->msg_accrights, msg->msg_accrightslen);
-#endif /* !HAVE_STRUCT_MSGHDR_MSG_CONTROL */
- tprints("}");
-}
-
-struct msghdr32 {
- uint32_t /* void* */ msg_name;
- uint32_t /* socklen_t */msg_namelen;
- uint32_t /* iovec* */ msg_iov;
- uint32_t /* size_t */ msg_iovlen;
- uint32_t /* void* */ msg_control;
- uint32_t /* size_t */ msg_controllen;
- uint32_t /* int */ msg_flags;
-};
-struct mmsghdr32 {
- struct msghdr32 msg_hdr;
- uint32_t /* unsigned */ msg_len;
-};
-
-#ifndef HAVE_STRUCT_MMSGHDR
-struct mmsghdr {
- struct msghdr msg_hdr;
- unsigned msg_len;
-};
-#endif
-
-#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
-static void
-copy_from_msghdr32(struct msghdr *to_msg, struct msghdr32 *from_msg32)
-{
- to_msg->msg_name = (void*)(long)from_msg32->msg_name;
- to_msg->msg_namelen = from_msg32->msg_namelen;
- to_msg->msg_iov = (void*)(long)from_msg32->msg_iov;
- to_msg->msg_iovlen = from_msg32->msg_iovlen;
- to_msg->msg_control = (void*)(long)from_msg32->msg_control;
- to_msg->msg_controllen = from_msg32->msg_controllen;
- to_msg->msg_flags = from_msg32->msg_flags;
-}
-#endif
-
-static bool
-extractmsghdr(struct tcb *tcp, long addr, struct msghdr *msg)
-{
-#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
- if (current_wordsize == 4) {
- struct msghdr32 msg32;
-
- if (umove(tcp, addr, &msg32) < 0)
- return false;
- copy_from_msghdr32(msg, &msg32);
- } else
-#endif
- if (umove(tcp, addr, msg) < 0)
- return false;
- return true;
-}
-
-static bool
-extractmmsghdr(struct tcb *tcp, long addr, unsigned int idx, struct mmsghdr *mmsg)
-{
-#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
- if (current_wordsize == 4) {
- struct mmsghdr32 mmsg32;
-
- addr += sizeof(struct mmsghdr32) * idx;
- if (umove(tcp, addr, &mmsg32) < 0)
- return false;
-
- copy_from_msghdr32(&mmsg->msg_hdr, &mmsg32.msg_hdr);
- mmsg->msg_len = mmsg32.msg_len;
- } else
-#endif
- {
- addr += sizeof(*mmsg) * idx;
- if (umove(tcp, addr, mmsg) < 0)
- return false;
- }
- return true;
-}
-
-static void
-printmsghdr(struct tcb *tcp, long addr, unsigned long data_size)
-{
- struct msghdr msg;
-
- if (verbose(tcp) && extractmsghdr(tcp, addr, &msg))
- do_msghdr(tcp, &msg, data_size);
- else
- printaddr(addr);
-}
-
-void
-dumpiov_in_msghdr(struct tcb *tcp, long addr, unsigned long data_size)
-{
- struct msghdr msg;
-
- if (extractmsghdr(tcp, addr, &msg))
- dumpiov_upto(tcp, msg.msg_iovlen, (long)msg.msg_iov, data_size);
-}
-
-static void
-printmmsghdr(struct tcb *tcp, long addr, unsigned int idx, unsigned long msg_len)
-{
- struct mmsghdr mmsg;
-
- if (extractmmsghdr(tcp, addr, idx, &mmsg)) {
- tprints("{");
- do_msghdr(tcp, &mmsg.msg_hdr, msg_len ? msg_len : mmsg.msg_len);
- tprintf(", %u}", mmsg.msg_len);
- }
- else
- printaddr(addr);
-}
-
-static void
-decode_mmsg(struct tcb *tcp, unsigned long msg_len)
-{
- /* mmsgvec */
- if (syserror(tcp)) {
- printaddr(tcp->u_arg[1]);
- } else {
- unsigned int len = tcp->u_rval;
- unsigned int i;
-
- tprints("{");
- for (i = 0; i < len; ++i) {
- if (i)
- tprints(", ");
- printmmsghdr(tcp, tcp->u_arg[1], i, msg_len);
- }
- tprints("}");
- }
- /* vlen */
- tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
- /* flags */
- printflags(msg_flags, tcp->u_arg[3], "MSG_???");
-}
-
-void
-dumpiov_in_mmsghdr(struct tcb *tcp, long addr)
-{
- unsigned int len = tcp->u_rval;
- unsigned int i;
- struct mmsghdr mmsg;
-
- for (i = 0; i < len; ++i) {
- if (extractmmsghdr(tcp, addr, i, &mmsg)) {
- tprintf(" = %lu buffers in vector %u\n",
- (unsigned long)mmsg.msg_hdr.msg_iovlen, i);
- dumpiov_upto(tcp, mmsg.msg_hdr.msg_iovlen,
- (long)mmsg.msg_hdr.msg_iov, mmsg.msg_len);
- }
+ printstr(tcp, addr, addrlen);
}
}
{
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
- printsock(tcp, tcp->u_arg[1], tcp->u_arg[2]);
- tprintf(", %lu", tcp->u_arg[2]);
+ const int addrlen = tcp->u_arg[2];
+ decode_sockaddr(tcp, tcp->u_arg[1], addrlen);
+ tprintf(", %d", addrlen);
return RVAL_DECODED;
}
return RVAL_DECODED;
}
+static bool
+fetch_socklen(struct tcb *tcp, int *plen,
+ const unsigned long sockaddr, const unsigned long socklen)
+{
+ return verbose(tcp) && sockaddr && socklen
+ && umove(tcp, socklen, plen) == 0;
+}
+
static int
-do_sockname(struct tcb *tcp, int flags_arg)
+decode_sockname(struct tcb *tcp)
{
+ int ulen, rlen;
+
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
- return 0;
+ if (fetch_socklen(tcp, &ulen, tcp->u_arg[1], tcp->u_arg[2])) {
+ set_tcb_priv_ulong(tcp, ulen);
+ return 0;
+ } else {
+ printaddr(tcp->u_arg[1]);
+ tprints(", ");
+ printaddr(tcp->u_arg[2]);
+ return RVAL_DECODED;
+ }
}
- int len;
- if (!tcp->u_arg[2] || !verbose(tcp) || syserror(tcp) ||
- umove(tcp, tcp->u_arg[2], &len) < 0) {
+ ulen = get_tcb_priv_ulong(tcp);
+
+ if (syserror(tcp) || umove(tcp, tcp->u_arg[2], &rlen) < 0) {
printaddr(tcp->u_arg[1]);
- tprints(", ");
- printaddr(tcp->u_arg[2]);
+ tprintf(", [%d]", ulen);
} else {
- printsock(tcp, tcp->u_arg[1], len);
- tprintf(", [%d]", len);
+ decode_sockaddr(tcp, tcp->u_arg[1], ulen > rlen ? rlen : ulen);
+ if (ulen != rlen)
+ tprintf(", [%d->%d]", ulen, rlen);
+ else
+ tprintf(", [%d]", rlen);
}
- if (flags_arg >= 0) {
- tprints(", ");
- printflags(sock_type_flags, tcp->u_arg[flags_arg],
- "SOCK_???");
- }
- return 0;
+ return RVAL_DECODED;
}
SYS_FUNC(accept)
{
- do_sockname(tcp, -1);
- return RVAL_FD;
+ return decode_sockname(tcp) | RVAL_FD;
}
SYS_FUNC(accept4)
{
- do_sockname(tcp, 3);
- return RVAL_FD;
+ int rc = decode_sockname(tcp);
+
+ if (rc & RVAL_DECODED) {
+ tprints(", ");
+ printflags(sock_type_flags, tcp->u_arg[3], "SOCK_???");
+ }
+
+ return rc | RVAL_FD;
}
SYS_FUNC(send)
{
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
- printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
+ decode_sockbuf(tcp, tcp->u_arg[0], tcp->u_arg[1], tcp->u_arg[2]);
tprintf(", %lu, ", tcp->u_arg[2]);
/* flags */
printflags(msg_flags, tcp->u_arg[3], "MSG_???");
{
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
- printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
+ decode_sockbuf(tcp, tcp->u_arg[0], tcp->u_arg[1], tcp->u_arg[2]);
tprintf(", %lu, ", tcp->u_arg[2]);
/* flags */
printflags(msg_flags, tcp->u_arg[3], "MSG_???");
/* to address */
+ const int addrlen = tcp->u_arg[5];
tprints(", ");
- printsock(tcp, tcp->u_arg[4], tcp->u_arg[5]);
+ decode_sockaddr(tcp, tcp->u_arg[4], addrlen);
/* to length */
- tprintf(", %lu", tcp->u_arg[5]);
+ tprintf(", %d", addrlen);
return RVAL_DECODED;
}
-SYS_FUNC(sendmsg)
-{
- printfd(tcp, tcp->u_arg[0]);
- tprints(", ");
- printmsghdr(tcp, tcp->u_arg[1], (unsigned long) -1L);
- /* flags */
- tprints(", ");
- printflags(msg_flags, tcp->u_arg[2], "MSG_???");
-
- return RVAL_DECODED;
-}
-
-SYS_FUNC(sendmmsg)
-{
- if (entering(tcp)) {
- /* sockfd */
- printfd(tcp, tcp->u_arg[0]);
- tprints(", ");
- if (!verbose(tcp)) {
- printaddr(tcp->u_arg[1]);
- tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
- printflags(msg_flags, tcp->u_arg[3], "MSG_???");
- }
- } else {
- if (verbose(tcp))
- decode_mmsg(tcp, (unsigned long) -1L);
- }
- return 0;
-}
-
SYS_FUNC(recv)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
- if (syserror(tcp))
+ if (syserror(tcp)) {
printaddr(tcp->u_arg[1]);
- else
- printstr(tcp, tcp->u_arg[1], tcp->u_rval);
+ } else {
+ decode_sockbuf(tcp, tcp->u_arg[0], tcp->u_arg[1],
+ tcp->u_rval);
+ }
tprintf(", %lu, ", tcp->u_arg[2]);
printflags(msg_flags, tcp->u_arg[3], "MSG_???");
SYS_FUNC(recvfrom)
{
- int fromlen;
+ int ulen, rlen;
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
+ if (fetch_socklen(tcp, &ulen, tcp->u_arg[4], tcp->u_arg[5])) {
+ set_tcb_priv_ulong(tcp, ulen);
+ }
} else {
/* buf */
if (syserror(tcp)) {
printaddr(tcp->u_arg[1]);
} else {
- printstr(tcp, tcp->u_arg[1], tcp->u_rval);
+ decode_sockbuf(tcp, tcp->u_arg[0], tcp->u_arg[1],
+ tcp->u_rval);
}
- /* len */
+ /* size */
tprintf(", %lu, ", tcp->u_arg[2]);
/* flags */
printflags(msg_flags, tcp->u_arg[3], "MSG_???");
tprints(", ");
- if (syserror(tcp) || !tcp->u_arg[4] || !tcp->u_arg[5] ||
- umove(tcp, tcp->u_arg[5], &fromlen) < 0) {
- /* from address, len */
+
+ ulen = get_tcb_priv_ulong(tcp);
+
+ if (!fetch_socklen(tcp, &rlen, tcp->u_arg[4], tcp->u_arg[5])) {
+ /* from address */
printaddr(tcp->u_arg[4]);
tprints(", ");
+ /* from length */
printaddr(tcp->u_arg[5]);
return 0;
}
+ if (syserror(tcp)) {
+ /* from address */
+ printaddr(tcp->u_arg[4]);
+ /* from length */
+ tprintf(", [%d]", ulen);
+ return 0;
+ }
/* from address */
- printsock(tcp, tcp->u_arg[4], fromlen);
+ decode_sockaddr(tcp, tcp->u_arg[4], ulen > rlen ? rlen : ulen);
/* from length */
- tprintf(", [%u]", fromlen);
- }
- return 0;
-}
-
-SYS_FUNC(recvmsg)
-{
- if (entering(tcp)) {
- printfd(tcp, tcp->u_arg[0]);
- tprints(", ");
- } else {
- if (syserror(tcp))
- printaddr(tcp->u_arg[1]);
+ if (ulen != rlen)
+ tprintf(", [%d->%d]", ulen, rlen);
else
- printmsghdr(tcp, tcp->u_arg[1], tcp->u_rval);
- /* flags */
- tprints(", ");
- printflags(msg_flags, tcp->u_arg[2], "MSG_???");
+ tprintf(", [%d]", rlen);
}
return 0;
}
-SYS_FUNC(recvmmsg)
-{
- static char str[sizeof("left") + TIMESPEC_TEXT_BUFSIZE];
-
- if (entering(tcp)) {
- printfd(tcp, tcp->u_arg[0]);
- tprints(", ");
- if (verbose(tcp)) {
- /* Abusing tcp->auxstr as temp storage.
- * Will be used and cleared on syscall exit.
- */
- tcp->auxstr = sprint_timespec(tcp, tcp->u_arg[4]);
- } else {
- printaddr(tcp->u_arg[1]);
- tprintf(", %u, ", (unsigned int) tcp->u_arg[2]);
- printflags(msg_flags, tcp->u_arg[3], "MSG_???");
- tprints(", ");
- print_timespec(tcp, tcp->u_arg[4]);
- }
- return 0;
- } else {
- if (verbose(tcp)) {
- decode_mmsg(tcp, 0);
- tprints(", ");
- /* timeout on entrance */
- tprints(tcp->auxstr);
- tcp->auxstr = NULL;
- }
- if (syserror(tcp))
- return 0;
- if (tcp->u_rval == 0) {
- tcp->auxstr = "Timeout";
- return RVAL_STR;
- }
- if (!verbose(tcp))
- return 0;
- /* timeout on exit */
- snprintf(str, sizeof(str), "left %s",
- sprint_timespec(tcp, tcp->u_arg[4]));
- tcp->auxstr = str;
- return RVAL_STR;
- }
-}
-
#include "xlat/shutdown_modes.h"
SYS_FUNC(shutdown)
SYS_FUNC(getsockname)
{
- return do_sockname(tcp, -1);
+ return decode_sockname(tcp);
}
static void
tprintf("{gr_interface=%u, gr_group=", greq.gr_interface);
print_sockaddr(tcp, &greq.gr_group, sizeof(greq.gr_group));
- tprintf("}");
+ tprints("}");
}
#endif /* MCAST_JOIN_GROUP */
projects / strace / blobdiff