blob: 8001c41b3c4feb3eacc77295048eb05fc7a9a15a [file] [log] [blame]
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <mdb/mdb_modapi.h>
#include <mdb/mdb_ks.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/door.h>
#include <sys/file.h>
#include <sys/mount.h>
#include <sys/proc.h>
#include <sys/procfs.h>
#include <sys/proc/prdata.h>
#include <sys/stat.h>
#include <sys/vfs.h>
#include <sys/vnode.h>
#include <sys/fs/snode.h>
#include <sys/fs/fifonode.h>
#include <sys/fs/namenode.h>
#include <sys/socket.h>
#include <sys/stropts.h>
#include <sys/socketvar.h>
#include <sys/strsubr.h>
#include <sys/un.h>
#include <fs/sockfs/socktpi_impl.h>
#include <inet/ipclassifier.h>
#include <inet/ip_if.h>
#include <inet/sctp/sctp_impl.h>
#include <inet/sctp/sctp_addr.h>
int
vfs_walk_init(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL &&
mdb_readvar(&wsp->walk_addr, "rootvfs") == -1) {
mdb_warn("failed to read 'rootvfs'");
return (WALK_ERR);
}
wsp->walk_data = (void *)wsp->walk_addr;
return (WALK_NEXT);
}
int
vfs_walk_step(mdb_walk_state_t *wsp)
{
vfs_t vfs;
int status;
if (mdb_vread(&vfs, sizeof (vfs), wsp->walk_addr) == -1) {
mdb_warn("failed to read vfs_t at %p", wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, &vfs, wsp->walk_cbdata);
if (vfs.vfs_next == wsp->walk_data)
return (WALK_DONE);
wsp->walk_addr = (uintptr_t)vfs.vfs_next;
return (status);
}
/*
* Utility routine to read in a filesystem name given a vfs pointer. If
* no vfssw entry for the vfs is available (as is the case with some pseudo-
* filesystems), we check against some known problem fs's: doorfs and
* portfs. If that fails, we try to guess the filesystem name using
* symbol names. fsname should be a buffer of size _ST_FSTYPSZ.
*/
static int
read_fsname(uintptr_t vfsp, char *fsname)
{
vfs_t vfs;
struct vfssw vfssw_entry;
GElf_Sym vfssw_sym, test_sym;
char testname[MDB_SYM_NAMLEN];
if (mdb_vread(&vfs, sizeof (vfs), vfsp) == -1) {
mdb_warn("failed to read vfs %p", vfsp);
return (-1);
}
if (mdb_lookup_by_name("vfssw", &vfssw_sym) == -1) {
mdb_warn("failed to find vfssw");
return (-1);
}
/*
* vfssw is an array; we need vfssw[vfs.vfs_fstype].
*/
if (mdb_vread(&vfssw_entry, sizeof (vfssw_entry),
vfssw_sym.st_value + (sizeof (struct vfssw) * vfs.vfs_fstype))
== -1) {
mdb_warn("failed to read vfssw index %d", vfs.vfs_fstype);
return (-1);
}
if (vfs.vfs_fstype != 0) {
if (mdb_readstr(fsname, _ST_FSTYPSZ,
(uintptr_t)vfssw_entry.vsw_name) == -1) {
mdb_warn("failed to find fs name %p",
vfssw_entry.vsw_name);
return (-1);
}
return (0);
}
/*
* Do precise detection for certain filesystem types that we
* know do not appear in vfssw[], and that we depend upon in other
* parts of the code: doorfs and portfs.
*/
if (mdb_lookup_by_name("door_vfs", &test_sym) != -1) {
if (test_sym.st_value == vfsp) {
strcpy(fsname, "doorfs");
return (0);
}
}
if (mdb_lookup_by_name("port_vfs", &test_sym) != -1) {
if (test_sym.st_value == vfsp) {
strcpy(fsname, "portfs");
return (0);
}
}
/*
* Heuristic detection for other filesystems that don't have a
* vfssw[] entry. These tend to be named <fsname>_vfs, so we do a
* lookup_by_addr and see if we find a symbol of that name.
*/
if (mdb_lookup_by_addr(vfsp, MDB_SYM_EXACT, testname, sizeof (testname),
&test_sym) != -1) {
if ((strlen(testname) > 4) &&
(strcmp(testname + strlen(testname) - 4, "_vfs") == 0)) {
testname[strlen(testname) - 4] = '\0';
strncpy(fsname, testname, _ST_FSTYPSZ);
return (0);
}
}
mdb_warn("unknown filesystem type for vfs %p", vfsp);
return (-1);
}
/*
* Column widths for mount point display in ::fsinfo output.
*/
#ifdef _LP64
#define FSINFO_MNTLEN 48
#else
#define FSINFO_MNTLEN 56
#endif
/* ARGSUSED */
int
fsinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
vfs_t vfs;
int len;
int opt_v = 0;
char buf[MAXPATHLEN];
char fsname[_ST_FSTYPSZ];
mntopt_t *mntopts;
size_t size;
int i;
int first = 1;
char opt[MAX_MNTOPT_STR];
uintptr_t global_zone;
if (!(flags & DCMD_ADDRSPEC)) {
if (mdb_walk_dcmd("vfs", "fsinfo", argc, argv) == -1) {
mdb_warn("failed to walk file system list");
return (DCMD_ERR);
}
return (DCMD_OK);
}
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, TRUE, &opt_v, NULL) != argc)
return (DCMD_USAGE);
if (DCMD_HDRSPEC(flags))
mdb_printf("%<u>%?s %-15s %s%</u>\n",
"VFSP", "FS", "MOUNT");
if (mdb_vread(&vfs, sizeof (vfs), addr) == -1) {
mdb_warn("failed to read vfs_t %p", addr);
return (DCMD_ERR);
}
if ((len = mdb_read_refstr((uintptr_t)vfs.vfs_mntpt, buf,
sizeof (buf))) <= 0)
strcpy(buf, "??");
else if (!opt_v && (len >= FSINFO_MNTLEN))
/*
* In normal mode, we truncate the path to keep the output
* clean. In -v mode, we just print the full path.
*/
strcpy(&buf[FSINFO_MNTLEN - 4], "...");
if (read_fsname(addr, fsname) == -1)
return (DCMD_ERR);
mdb_printf("%0?p %-15s %s\n", addr, fsname, buf);
if (!opt_v)
return (DCMD_OK);
/*
* Print 'resource' string; this shows what we're mounted upon.
*/
if (mdb_read_refstr((uintptr_t)vfs.vfs_resource, buf,
MAXPATHLEN) <= 0)
strcpy(buf, "??");
mdb_printf("%?s %s\n", "R:", buf);
/*
* Print mount options array; it sucks to be a mimic, but we copy
* the same logic as in mntvnops.c for adding zone= tags, and we
* don't bother with the obsolete dev= option.
*/
size = vfs.vfs_mntopts.mo_count * sizeof (mntopt_t);
mntopts = mdb_alloc(size, UM_SLEEP | UM_GC);
if (mdb_vread(mntopts, size,
(uintptr_t)vfs.vfs_mntopts.mo_list) == -1) {
mdb_warn("failed to read mntopts %p", vfs.vfs_mntopts.mo_list);
return (DCMD_ERR);
}
for (i = 0; i < vfs.vfs_mntopts.mo_count; i++) {
if (mntopts[i].mo_flags & MO_SET) {
if (mdb_readstr(opt, sizeof (opt),
(uintptr_t)mntopts[i].mo_name) == -1) {
mdb_warn("failed to read mntopt name %p",
mntopts[i].mo_name);
return (DCMD_ERR);
}
if (first) {
mdb_printf("%?s ", "O:");
first = 0;
} else {
mdb_printf(",");
}
mdb_printf("%s", opt);
if (mntopts[i].mo_flags & MO_HASVALUE) {
if (mdb_readstr(opt, sizeof (opt),
(uintptr_t)mntopts[i].mo_arg) == -1) {
mdb_warn("failed to read mntopt "
"value %p", mntopts[i].mo_arg);
return (DCMD_ERR);
}
mdb_printf("=%s", opt);
}
}
}
if (mdb_readvar(&global_zone, "global_zone") == -1) {
mdb_warn("failed to locate global_zone");
return (DCMD_ERR);
}
if ((vfs.vfs_zone != NULL) &&
((uintptr_t)vfs.vfs_zone != global_zone)) {
zone_t z;
if (mdb_vread(&z, sizeof (z), (uintptr_t)vfs.vfs_zone) == -1) {
mdb_warn("failed to read zone");
return (DCMD_ERR);
}
/*
* zone names are much shorter than MAX_MNTOPT_STR
*/
if (mdb_readstr(opt, sizeof (opt),
(uintptr_t)z.zone_name) == -1) {
mdb_warn("failed to read zone name");
return (DCMD_ERR);
}
if (first) {
mdb_printf("%?s ", "O:");
} else {
mdb_printf(",");
}
mdb_printf("zone=%s", opt);
}
return (DCMD_OK);
}
#define REALVP_DONE 0
#define REALVP_ERR 1
#define REALVP_CONTINUE 2
static int
next_realvp(uintptr_t invp, struct vnode *outvn, uintptr_t *outvp)
{
char fsname[_ST_FSTYPSZ];
*outvp = invp;
if (mdb_vread(outvn, sizeof (struct vnode), invp) == -1) {
mdb_warn("failed to read vnode at %p", invp);
return (REALVP_ERR);
}
if (read_fsname((uintptr_t)outvn->v_vfsp, fsname) == -1)
return (REALVP_ERR);
/*
* We know how to do 'realvp' for as many filesystems as possible;
* for all other filesystems, we assume that the vp we are given
* is the realvp. In the kernel, a realvp operation will sometimes
* dig through multiple layers. Here, we only fetch the pointer
* to the next layer down. This allows dcmds to print out the
* various layers.
*/
if (strcmp(fsname, "fifofs") == 0) {
fifonode_t fn;
if (mdb_vread(&fn, sizeof (fn),
(uintptr_t)outvn->v_data) == -1) {
mdb_warn("failed to read fifonode");
return (REALVP_ERR);
}
*outvp = (uintptr_t)fn.fn_realvp;
} else if (strcmp(fsname, "namefs") == 0) {
struct namenode nn;
if (mdb_vread(&nn, sizeof (nn),
(uintptr_t)outvn->v_data) == -1) {
mdb_warn("failed to read namenode");
return (REALVP_ERR);
}
*outvp = (uintptr_t)nn.nm_filevp;
} else if (outvn->v_type == VSOCK && outvn->v_stream != NULL) {
struct stdata stream;
/*
* Sockets have a strange and different layering scheme; we
* hop over into the sockfs vnode (accessible via the stream
* head) if possible.
*/
if (mdb_vread(&stream, sizeof (stream),
(uintptr_t)outvn->v_stream) == -1) {
mdb_warn("failed to read stream data");
return (REALVP_ERR);
}
*outvp = (uintptr_t)stream.sd_vnode;
}
if (*outvp == invp || *outvp == NULL)
return (REALVP_DONE);
return (REALVP_CONTINUE);
}
static void
pfiles_print_addr(struct sockaddr *addr)
{
struct sockaddr_in *s_in;
struct sockaddr_un *s_un;
struct sockaddr_in6 *s_in6;
in_port_t port;
switch (addr->sa_family) {
case AF_INET:
/* LINTED: alignment */
s_in = (struct sockaddr_in *)addr;
mdb_nhconvert(&port, &s_in->sin_port, sizeof (port));
mdb_printf("AF_INET %I %d ", s_in->sin_addr.s_addr, port);
break;
case AF_INET6:
/* LINTED: alignment */
s_in6 = (struct sockaddr_in6 *)addr;
mdb_nhconvert(&port, &s_in6->sin6_port, sizeof (port));
mdb_printf("AF_INET6 %N %d ", &(s_in6->sin6_addr), port);
break;
case AF_UNIX:
s_un = (struct sockaddr_un *)addr;
mdb_printf("AF_UNIX %s ", s_un->sun_path);
break;
default:
mdb_printf("AF_?? (%d) ", addr->sa_family);
break;
}
}
static int
pfiles_get_sonode(vnode_t *v_sock, struct sonode *sonode)
{
if (mdb_vread(sonode, sizeof (struct sonode),
(uintptr_t)v_sock->v_data) == -1) {
mdb_warn("failed to read sonode");
return (-1);
}
return (0);
}
static int
pfiles_get_tpi_sonode(vnode_t *v_sock, sotpi_sonode_t *sotpi_sonode)
{
struct stdata stream;
if (mdb_vread(&stream, sizeof (stream),
(uintptr_t)v_sock->v_stream) == -1) {
mdb_warn("failed to read stream data");
return (-1);
}
if (mdb_vread(v_sock, sizeof (vnode_t),
(uintptr_t)stream.sd_vnode) == -1) {
mdb_warn("failed to read stream vnode");
return (-1);
}
if (mdb_vread(sotpi_sonode, sizeof (sotpi_sonode_t),
(uintptr_t)v_sock->v_data) == -1) {
mdb_warn("failed to read sotpi_sonode");
return (-1);
}
return (0);
}
/*
* Do some digging to get a reasonable pathname for this vnode. 'path'
* should point at a buffer of MAXPATHLEN in size.
*/
static int
pfiles_dig_pathname(uintptr_t vp, char *path)
{
vnode_t v;
bzero(path, MAXPATHLEN);
if (mdb_vread(&v, sizeof (v), vp) == -1) {
mdb_warn("failed to read vnode");
return (-1);
}
if (v.v_path == NULL) {
/*
* fifo's and doors are special. Some have pathnames, and
* some do not. And for these, it is pointless to go off to
* mdb_vnode2path, which is very slow.
*
* Event ports never have a pathname.
*/
if (v.v_type == VFIFO || v.v_type == VDOOR || v.v_type == VPORT)
return (0);
/*
* For sockets, we won't find a path unless we print the path
* associated with transport's STREAM device.
*/
if (v.v_type == VSOCK) {
struct sonode sonode;
struct sockparams sockparams;
if (pfiles_get_sonode(&v, &sonode) == -1) {
return (-1);
}
if (mdb_vread(&sockparams, sizeof (sockparams),
(uintptr_t)sonode.so_sockparams) == -1) {
mdb_warn("failed to read sockparams");
return (-1);
}
if (!SOCK_IS_NONSTR(&sonode)) {
vp = (uintptr_t)
sockparams.sp_sdev_info.sd_vnode;
} else {
vp = NULL;
}
}
}
/*
* mdb_vnode2path will print an error for us as needed, but not
* finding a pathname is not really an error, so we plow on.
*/
(void) mdb_vnode2path(vp, path, MAXPATHLEN);
/*
* A common problem is that device pathnames are prefixed with
* /dev/../devices/. We just clean those up slightly:
* /dev/../devices/<mumble> --> /devices/<mumble>
* /dev/pts/../../devices/<mumble> --> /devices/<mumble>
*/
if (strncmp("/dev/../devices/", path, strlen("/dev/../devices/")) == 0)
strcpy(path, path + 7);
if (strncmp("/dev/pts/../../devices/", path,
strlen("/dev/pts/../../devices/")) == 0)
strcpy(path, path + 14);
return (0);
}
const struct fs_type {
int type;
const char *name;
} fs_types[] = {
{ VNON, "NON" },
{ VREG, "REG" },
{ VDIR, "DIR" },
{ VBLK, "BLK" },
{ VCHR, "CHR" },
{ VLNK, "LNK" },
{ VFIFO, "FIFO" },
{ VDOOR, "DOOR" },
{ VPROC, "PROC" },
{ VSOCK, "SOCK" },
{ VPORT, "PORT" },
{ VBAD, "BAD" }
};
#define NUM_FS_TYPES (sizeof (fs_types) / sizeof (struct fs_type))
struct pfiles_cbdata {
int opt_p;
int fd;
};
#define list_d2l(a, obj) ((list_node_t *)(((char *)obj) + (a)->list_offset))
#define list_object(a, node) ((void *)(((char *)node) - (a)->list_offset))
/*
* SCTP interface for geting the first source address of a sctp_t.
*/
int
sctp_getsockaddr(sctp_t *sctp, struct sockaddr *addr)
{
int err = -1;
int i;
int l;
sctp_saddr_ipif_t *pobj;
sctp_saddr_ipif_t obj;
size_t added = 0;
sin6_t *sin6;
sin_t *sin4;
int scanned = 0;
boolean_t skip_lback = B_FALSE;
conn_t *connp = sctp->sctp_connp;
addr->sa_family = connp->conn_family;
if (sctp->sctp_nsaddrs == 0)
goto done;
/*
* Skip loopback addresses for non-loopback assoc.
*/
if (sctp->sctp_state >= SCTPS_ESTABLISHED && !sctp->sctp_loopback) {
skip_lback = B_TRUE;
}
for (i = 0; i < SCTP_IPIF_HASH; i++) {
if (sctp->sctp_saddrs[i].ipif_count == 0)
continue;
pobj = list_object(&sctp->sctp_saddrs[i].sctp_ipif_list,
sctp->sctp_saddrs[i].sctp_ipif_list.list_head.list_next);
if (mdb_vread(&obj, sizeof (sctp_saddr_ipif_t),
(uintptr_t)pobj) == -1) {
mdb_warn("failed to read sctp_saddr_ipif_t");
return (err);
}
for (l = 0; l < sctp->sctp_saddrs[i].ipif_count; l++) {
sctp_ipif_t ipif;
in6_addr_t laddr;
list_node_t *pnode;
list_node_t node;
if (mdb_vread(&ipif, sizeof (sctp_ipif_t),
(uintptr_t)obj.saddr_ipifp) == -1) {
mdb_warn("failed to read sctp_ipif_t");
return (err);
}
laddr = ipif.sctp_ipif_saddr;
scanned++;
if ((ipif.sctp_ipif_state == SCTP_IPIFS_CONDEMNED) ||
SCTP_DONT_SRC(&obj) ||
(ipif.sctp_ipif_ill->sctp_ill_flags &
PHYI_LOOPBACK) && skip_lback) {
if (scanned >= sctp->sctp_nsaddrs)
goto done;
/* LINTED: alignment */
pnode = list_d2l(&sctp->sctp_saddrs[i].
sctp_ipif_list, pobj);
if (mdb_vread(&node, sizeof (list_node_t),
(uintptr_t)pnode) == -1) {
mdb_warn("failed to read list_node_t");
return (err);
}
pobj = list_object(&sctp->sctp_saddrs[i].
sctp_ipif_list, node.list_next);
if (mdb_vread(&obj, sizeof (sctp_saddr_ipif_t),
(uintptr_t)pobj) == -1) {
mdb_warn("failed to read "
"sctp_saddr_ipif_t");
return (err);
}
continue;
}
switch (connp->conn_family) {
case AF_INET:
/* LINTED: alignment */
sin4 = (sin_t *)addr;
if ((sctp->sctp_state <= SCTPS_LISTEN) &&
sctp->sctp_bound_to_all) {
sin4->sin_addr.s_addr = INADDR_ANY;
sin4->sin_port = connp->conn_lport;
} else {
sin4 += added;
sin4->sin_family = AF_INET;
sin4->sin_port = connp->conn_lport;
IN6_V4MAPPED_TO_INADDR(&laddr,
&sin4->sin_addr);
}
break;
case AF_INET6:
/* LINTED: alignment */
sin6 = (sin6_t *)addr;
if ((sctp->sctp_state <= SCTPS_LISTEN) &&
sctp->sctp_bound_to_all) {
bzero(&sin6->sin6_addr,
sizeof (sin6->sin6_addr));
sin6->sin6_port = connp->conn_lport;
} else {
sin6 += added;
sin6->sin6_family = AF_INET6;
sin6->sin6_port = connp->conn_lport;
sin6->sin6_addr = laddr;
}
sin6->sin6_flowinfo = connp->conn_flowinfo;
sin6->sin6_scope_id = 0;
sin6->__sin6_src_id = 0;
break;
}
added++;
if (added >= 1) {
err = 0;
goto done;
}
if (scanned >= sctp->sctp_nsaddrs)
goto done;
/* LINTED: alignment */
pnode = list_d2l(&sctp->sctp_saddrs[i].sctp_ipif_list,
pobj);
if (mdb_vread(&node, sizeof (list_node_t),
(uintptr_t)pnode) == -1) {
mdb_warn("failed to read list_node_t");
return (err);
}
pobj = list_object(&sctp->sctp_saddrs[i].
sctp_ipif_list, node.list_next);
if (mdb_vread(&obj, sizeof (sctp_saddr_ipif_t),
(uintptr_t)pobj) == -1) {
mdb_warn("failed to read sctp_saddr_ipif_t");
return (err);
}
}
}
done:
return (err);
}
/*
* SCTP interface for geting the primary peer address of a sctp_t.
*/
static int
sctp_getpeeraddr(sctp_t *sctp, struct sockaddr *addr)
{
struct sockaddr_in *sin4;
struct sockaddr_in6 *sin6;
sctp_faddr_t sctp_primary;
in6_addr_t faddr;
conn_t *connp = sctp->sctp_connp;
if (sctp->sctp_faddrs == NULL)
return (-1);
addr->sa_family = connp->conn_family;
if (mdb_vread(&sctp_primary, sizeof (sctp_faddr_t),
(uintptr_t)sctp->sctp_primary) == -1) {
mdb_warn("failed to read sctp primary faddr");
return (-1);
}
faddr = sctp_primary.faddr;
switch (connp->conn_family) {
case AF_INET:
/* LINTED: alignment */
sin4 = (struct sockaddr_in *)addr;
IN6_V4MAPPED_TO_INADDR(&faddr, &sin4->sin_addr);
sin4->sin_port = connp->conn_fport;
sin4->sin_family = AF_INET;
break;
case AF_INET6:
/* LINTED: alignment */
sin6 = (struct sockaddr_in6 *)addr;
sin6->sin6_addr = faddr;
sin6->sin6_port = connp->conn_fport;
sin6->sin6_family = AF_INET6;
sin6->sin6_flowinfo = 0;
sin6->sin6_scope_id = 0;
sin6->__sin6_src_id = 0;
break;
}
return (0);
}
static int
tpi_sock_print(sotpi_sonode_t *sotpi_sonode)
{
if (sotpi_sonode->st_info.sti_laddr_valid == 1) {
struct sockaddr *laddr =
mdb_alloc(sotpi_sonode->st_info.sti_laddr_len, UM_SLEEP);
if (mdb_vread(laddr, sotpi_sonode->st_info.sti_laddr_len,
(uintptr_t)sotpi_sonode->st_info.sti_laddr_sa) == -1) {
mdb_warn("failed to read sotpi_sonode socket addr");
return (-1);
}
mdb_printf("socket: ");
pfiles_print_addr(laddr);
}
if (sotpi_sonode->st_info.sti_faddr_valid == 1) {
struct sockaddr *faddr =
mdb_alloc(sotpi_sonode->st_info.sti_faddr_len, UM_SLEEP);
if (mdb_vread(faddr, sotpi_sonode->st_info.sti_faddr_len,
(uintptr_t)sotpi_sonode->st_info.sti_faddr_sa) == -1) {
mdb_warn("failed to read sotpi_sonode remote addr");
return (-1);
}
mdb_printf("remote: ");
pfiles_print_addr(faddr);
}
return (0);
}
static int
tcpip_sock_print(struct sonode *socknode)
{
switch (socknode->so_family) {
case AF_INET:
{
conn_t conn_t;
in_port_t port;
if (mdb_vread(&conn_t, sizeof (conn_t),
(uintptr_t)socknode->so_proto_handle) == -1) {
mdb_warn("failed to read conn_t V4");
return (-1);
}
mdb_printf("socket: ");
mdb_nhconvert(&port, &conn_t.conn_lport, sizeof (port));
mdb_printf("AF_INET %I %d ", conn_t.conn_laddr_v4, port);
/*
* If this is a listening socket, we don't print
* the remote address.
*/
if (IPCL_IS_TCP(&conn_t) && IPCL_IS_BOUND(&conn_t) == 0 ||
IPCL_IS_UDP(&conn_t) && IPCL_IS_CONNECTED(&conn_t)) {
mdb_printf("remote: ");
mdb_nhconvert(&port, &conn_t.conn_fport, sizeof (port));
mdb_printf("AF_INET %I %d ", conn_t.conn_faddr_v4,
port);
}
break;
}
case AF_INET6:
{
conn_t conn_t;
in_port_t port;
if (mdb_vread(&conn_t, sizeof (conn_t),
(uintptr_t)socknode->so_proto_handle) == -1) {
mdb_warn("failed to read conn_t V6");
return (-1);
}
mdb_printf("socket: ");
mdb_nhconvert(&port, &conn_t.conn_lport, sizeof (port));
mdb_printf("AF_INET6 %N %d ", &conn_t.conn_laddr_v4, port);
/*
* If this is a listening socket, we don't print
* the remote address.
*/
if (IPCL_IS_TCP(&conn_t) && IPCL_IS_BOUND(&conn_t) == 0 ||
IPCL_IS_UDP(&conn_t) && IPCL_IS_CONNECTED(&conn_t)) {
mdb_printf("remote: ");
mdb_nhconvert(&port, &conn_t.conn_fport, sizeof (port));
mdb_printf("AF_INET6 %N %d ", &conn_t.conn_faddr_v6,
port);
}
break;
}
default:
mdb_printf("AF_?? (%d)", socknode->so_family);
break;
}
return (0);
}
static int
sctp_sock_print(struct sonode *socknode)
{
sctp_t sctp_t;
conn_t conns;
struct sockaddr *laddr = mdb_alloc(sizeof (struct sockaddr), UM_SLEEP);
struct sockaddr *faddr = mdb_alloc(sizeof (struct sockaddr), UM_SLEEP);
if (mdb_vread(&sctp_t, sizeof (sctp_t),
(uintptr_t)socknode->so_proto_handle) == -1) {
mdb_warn("failed to read sctp_t");
return (-1);
}
if (mdb_vread(&conns, sizeof (conn_t),
(uintptr_t)sctp_t.sctp_connp) == -1) {
mdb_warn("failed to read conn_t at %p",
(uintptr_t)sctp_t.sctp_connp);
return (-1);
}
sctp_t.sctp_connp = &conns;
if (sctp_getsockaddr(&sctp_t, laddr) == 0) {
mdb_printf("socket:");
pfiles_print_addr(laddr);
}
if (sctp_getpeeraddr(&sctp_t, faddr) == 0) {
mdb_printf("remote:");
pfiles_print_addr(faddr);
}
return (0);
}
/* ARGSUSED */
static int
sdp_sock_print(struct sonode *socknode)
{
return (0);
}
struct sock_print {
int family;
int type;
int pro;
int (*print)(struct sonode *socknode);
} sock_prints[] = {
{ 2, 2, 0, tcpip_sock_print }, /* /dev/tcp */
{ 2, 2, 6, tcpip_sock_print }, /* /dev/tcp */
{ 26, 2, 0, tcpip_sock_print }, /* /dev/tcp6 */
{ 26, 2, 6, tcpip_sock_print }, /* /dev/tcp6 */
{ 2, 1, 0, tcpip_sock_print }, /* /dev/udp */
{ 2, 1, 17, tcpip_sock_print }, /* /dev/udp */
{ 26, 1, 0, tcpip_sock_print }, /* /dev/udp6 */
{ 26, 1, 17, tcpip_sock_print }, /* /dev/udp6 */
{ 2, 4, 0, tcpip_sock_print }, /* /dev/rawip */
{ 26, 4, 0, tcpip_sock_print }, /* /dev/rawip6 */
{ 2, 2, 132, sctp_sock_print }, /* /dev/sctp */
{ 26, 2, 132, sctp_sock_print }, /* /dev/sctp6 */
{ 2, 6, 132, sctp_sock_print }, /* /dev/sctp */
{ 26, 6, 132, sctp_sock_print }, /* /dev/sctp6 */
{ 24, 4, 0, tcpip_sock_print }, /* /dev/rts */
{ 2, 2, 257, sdp_sock_print }, /* /dev/sdp */
{ 26, 2, 257, sdp_sock_print }, /* /dev/sdp */
};
#define NUM_SOCK_PRINTS \
(sizeof (sock_prints) / sizeof (struct sock_print))
static int
pfile_callback(uintptr_t addr, const struct file *f, struct pfiles_cbdata *cb)
{
vnode_t v, layer_vn;
int myfd = cb->fd;
const char *type;
char path[MAXPATHLEN];
uintptr_t top_vnodep, realvpp;
char fsname[_ST_FSTYPSZ];
int err, i;
cb->fd++;
if (addr == NULL) {
return (WALK_NEXT);
}
top_vnodep = realvpp = (uintptr_t)f->f_vnode;
if (mdb_vread(&v, sizeof (v), realvpp) == -1) {
mdb_warn("failed to read vnode");
return (DCMD_ERR);
}
type = "?";
for (i = 0; i <= NUM_FS_TYPES; i++) {
if (fs_types[i].type == v.v_type)
type = fs_types[i].name;
}
do {
uintptr_t next_realvpp;
err = next_realvp(realvpp, &layer_vn, &next_realvpp);
if (next_realvpp != NULL)
realvpp = next_realvpp;
} while (err == REALVP_CONTINUE);
if (err == REALVP_ERR) {
mdb_warn("failed to do realvp() for %p", realvpp);
return (DCMD_ERR);
}
if (read_fsname((uintptr_t)layer_vn.v_vfsp, fsname) == -1)
return (DCMD_ERR);
mdb_printf("%4d %4s %?0p ", myfd, type, top_vnodep);
if (cb->opt_p) {
if (pfiles_dig_pathname(top_vnodep, path) == -1)
return (DCMD_ERR);
mdb_printf("%s\n", path);
return (DCMD_OK);
}
/*
* Sockets generally don't have interesting pathnames; we only
* show those in the '-p' view.
*/
path[0] = '\0';
if (v.v_type != VSOCK) {
if (pfiles_dig_pathname(top_vnodep, path) == -1)
return (DCMD_ERR);
}
mdb_printf("%s%s", path, path[0] == '\0' ? "" : " ");
switch (v.v_type) {
case VDOOR:
{
door_node_t doornode;
proc_t pr;
if (mdb_vread(&doornode, sizeof (doornode),
(uintptr_t)layer_vn.v_data) == -1) {
mdb_warn("failed to read door_node");
return (DCMD_ERR);
}
if (mdb_vread(&pr, sizeof (pr),
(uintptr_t)doornode.door_target) == -1) {
mdb_warn("failed to read door server process %p",
doornode.door_target);
return (DCMD_ERR);
}
mdb_printf("[door to '%s' (proc=%p)]", pr.p_user.u_comm,
doornode.door_target);
break;
}
case VSOCK:
{
vnode_t v_sock;
struct sonode so;
if (mdb_vread(&v_sock, sizeof (v_sock), realvpp) == -1) {
mdb_warn("failed to read socket vnode");
return (DCMD_ERR);
}
/*
* Sockets can be non-stream or stream, they have to be dealed
* with differently.
*/
if (v_sock.v_stream == NULL) {
if (pfiles_get_sonode(&v_sock, &so) == -1)
return (DCMD_ERR);
/* Pick the proper methods. */
for (i = 0; i <= NUM_SOCK_PRINTS; i++) {
if ((sock_prints[i].family == so.so_family &&
sock_prints[i].type == so.so_type &&
sock_prints[i].pro == so.so_protocol) ||
(sock_prints[i].family == so.so_family &&
sock_prints[i].type == so.so_type &&
so.so_type == SOCK_RAW)) {
if ((*sock_prints[i].print)(&so) == -1)
return (DCMD_ERR);
}
}
} else {
sotpi_sonode_t sotpi_sonode;
if (pfiles_get_sonode(&v_sock, &so) == -1)
return (DCMD_ERR);
/*
* If the socket is a fallback socket, read its related
* information separately; otherwise, read it as a whole
* tpi socket.
*/
if (so.so_state & SS_FALLBACK_COMP) {
sotpi_sonode.st_sonode = so;
if (mdb_vread(&(sotpi_sonode.st_info),
sizeof (sotpi_info_t),
(uintptr_t)so.so_priv) == -1)
return (DCMD_ERR);
} else {
if (pfiles_get_tpi_sonode(&v_sock,
&sotpi_sonode) == -1)
return (DCMD_ERR);
}
if (tpi_sock_print(&sotpi_sonode) == -1)
return (DCMD_ERR);
}
break;
}
case VPORT:
mdb_printf("[event port (port=%p)]", v.v_data);
break;
case VPROC:
{
prnode_t prnode;
prcommon_t prcommon;
if (mdb_vread(&prnode, sizeof (prnode),
(uintptr_t)layer_vn.v_data) == -1) {
mdb_warn("failed to read prnode");
return (DCMD_ERR);
}
if (mdb_vread(&prcommon, sizeof (prcommon),
(uintptr_t)prnode.pr_common) == -1) {
mdb_warn("failed to read prcommon %p",
prnode.pr_common);
return (DCMD_ERR);
}
mdb_printf("(proc=%p)", prcommon.prc_proc);
break;
}
default:
break;
}
mdb_printf("\n");
return (WALK_NEXT);
}
static int
file_t_callback(uintptr_t addr, const struct file *f, struct pfiles_cbdata *cb)
{
int myfd = cb->fd;
cb->fd++;
if (addr == NULL) {
return (WALK_NEXT);
}
/*
* We really need 20 digits to print a 64-bit offset_t, but this
* is exceedingly rare, so we cheat and assume a column width of 10
* digits, in order to fit everything cleanly into 80 columns.
*/
mdb_printf("%?0p %4d %8x %?0p %10lld %?0p %4d\n",
addr, myfd, f->f_flag, f->f_vnode, f->f_offset, f->f_cred,
f->f_count);
return (WALK_NEXT);
}
int
pfiles(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
int opt_f = 0;
struct pfiles_cbdata cb;
bzero(&cb, sizeof (cb));
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_getopts(argc, argv,
'p', MDB_OPT_SETBITS, TRUE, &cb.opt_p,
'f', MDB_OPT_SETBITS, TRUE, &opt_f, NULL) != argc)
return (DCMD_USAGE);
if (opt_f) {
mdb_printf("%<u>%?s %4s %8s %?s %10s %?s %4s%</u>\n", "FILE",
"FD", "FLAG", "VNODE", "OFFSET", "CRED", "CNT");
if (mdb_pwalk("allfile", (mdb_walk_cb_t)file_t_callback, &cb,
addr) == -1) {
mdb_warn("failed to walk 'allfile'");
return (DCMD_ERR);
}
} else {
mdb_printf("%<u>%-4s %4s %?s ", "FD", "TYPE", "VNODE");
if (cb.opt_p)
mdb_printf("PATH");
else
mdb_printf("INFO");
mdb_printf("%</u>\n");
if (mdb_pwalk("allfile", (mdb_walk_cb_t)pfile_callback, &cb,
addr) == -1) {
mdb_warn("failed to walk 'allfile'");
return (DCMD_ERR);
}
}
return (DCMD_OK);
}
void
pfiles_help(void)
{
mdb_printf(
"Given the address of a process, print information about files\n"
"which the process has open. By default, this includes decoded\n"
"information about the file depending on file and filesystem type\n"
"\n"
"\t-p\tPathnames; omit decoded information. Only display "
"pathnames\n"
"\t-f\tfile_t view; show the file_t structure corresponding to "
"the fd\n");
}