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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
*/
#include <mdb/mdb_modapi.h>
#include <sys/types.h>
#include <sys/cred_impl.h>
#include <sys/sid.h>
#include "cred.h"
#define OPT_VERBOSE 1
static void print_ksid(const ksid_t *);
/*
* dcmd ::cred - display a credential (cred_t)
*/
int
cmd_cred(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
credgrp_t cr_grps;
cred_t *cr;
mdb_arg_t cmdarg;
uint_t opts = FALSE;
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, OPT_VERBOSE, &opts, NULL) != argc)
return (DCMD_USAGE);
if (!(flags & DCMD_ADDRSPEC)) {
return (DCMD_USAGE);
}
cr = mdb_alloc(sizeof (*cr), UM_SLEEP | UM_GC);
if (mdb_vread(cr, sizeof (*cr), addr) == -1) {
mdb_warn("error reading cred_t at %p", addr);
return (DCMD_ERR);
}
if (cr->cr_grps == NULL) {
bzero(&cr_grps, sizeof (cr_grps));
} else {
if (mdb_vread(&cr_grps, sizeof (cr_grps),
(uintptr_t)cr->cr_grps) == -1) {
mdb_warn("error reading credgrp_t at %p",
cr->cr_grps);
return (DCMD_ERR);
}
}
if (opts & OPT_VERBOSE) {
cmdarg.a_type = MDB_TYPE_STRING;
cmdarg.a_un.a_str = "cred_t";
(void) mdb_call_dcmd("print", addr, flags, 1, &cmdarg);
cmdarg.a_un.a_str = "-v";
mdb_printf("%<u>cr_grps:%</u>\n");
mdb_inc_indent(4);
if (cr->cr_grps == NULL) {
mdb_printf("(null)\n");
} else {
(void) mdb_call_dcmd("credgrp",
(uintptr_t)cr->cr_grps, flags, 1, &cmdarg);
}
mdb_dec_indent(4);
mdb_printf("%<u>cr_ksid:%</u>\n");
mdb_inc_indent(4);
if (cr->cr_ksid == NULL) {
mdb_printf("(null)\n");
} else {
(void) mdb_call_dcmd("credsid",
(uintptr_t)cr->cr_ksid, flags, 1, &cmdarg);
}
mdb_dec_indent(4);
return (DCMD_OK);
}
if (DCMD_HDRSPEC(flags))
mdb_printf("%<u>%?s %8s %8s %8s %8s% %8s%</u>\n",
"ADDR", "UID", "GID", "RUID", "RGID", "#GRP(+SIDS)");
mdb_printf("%0?p %8u %8u %8u %8u %4u%s\n", addr,
cr->cr_uid, cr->cr_gid,
cr->cr_ruid, cr->cr_rgid,
cr_grps.crg_ngroups,
(cr->cr_ksid == NULL) ? "" : "+");
return (DCMD_OK);
}
/*
* dcmd ::credgrp - display cred_t groups
*/
int
cmd_credgrp(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
credgrp_t grps;
gid_t gid;
uint_t i, opts = FALSE;
int rv = DCMD_OK;
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, OPT_VERBOSE, &opts, NULL) != argc)
return (DCMD_USAGE);
if (!(flags & DCMD_ADDRSPEC)) {
return (DCMD_USAGE);
}
if (mdb_vread(&grps, sizeof (grps), addr) == -1) {
mdb_warn("error reading credgrp_t at %p", addr);
return (DCMD_ERR);
}
if (opts & OPT_VERBOSE) {
mdb_printf("crg_ref = 0x%x\n", grps.crg_ref);
mdb_printf("crg_ngroups = 0x%x\n", grps.crg_ngroups);
}
mdb_printf("crg_groups = [\n");
addr += OFFSETOF(credgrp_t, crg_groups);
mdb_inc_indent(4);
for (i = 0; i < grps.crg_ngroups; i++, addr += sizeof (gid_t)) {
if (mdb_vread(&gid, sizeof (gid), addr) == -1) {
mdb_warn("error reading gid_t at %p", addr);
rv = DCMD_ERR;
break;
}
mdb_printf("\t%u,", gid);
}
mdb_dec_indent(4);
mdb_printf("\n]\n");
return (rv);
}
/*
* dcmd ::credsid - display a credsid_t
*/
int
cmd_credsid(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
credsid_t kr;
uint_t opts = FALSE;
int rv = DCMD_OK;
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, OPT_VERBOSE, &opts, NULL) != argc)
return (DCMD_USAGE);
if (!(flags & DCMD_ADDRSPEC)) {
return (DCMD_USAGE);
}
if (mdb_vread(&kr, sizeof (kr), addr) == -1) {
mdb_warn("error reading credsid_t at %p", addr);
return (DCMD_ERR);
}
if (opts & OPT_VERBOSE)
mdb_printf("kr_ref = 0x%x\n", kr.kr_ref);
mdb_printf("kr_sidx[USER] = ");
print_ksid(&kr.kr_sidx[KSID_USER]);
mdb_printf("kr_sidx[GROUP] = ");
print_ksid(&kr.kr_sidx[KSID_GROUP]);
mdb_printf("kr_sidx[OWNER] = ");
print_ksid(&kr.kr_sidx[KSID_OWNER]);
mdb_printf("kr_sidlist = %p\n", kr.kr_sidlist);
if (kr.kr_sidlist != NULL && (opts & OPT_VERBOSE) != 0) {
mdb_printf("*kr_sidlist = {\n");
mdb_inc_indent(4);
rv = mdb_call_dcmd("ksidlist",
(uintptr_t)kr.kr_sidlist, flags, argc, argv);
mdb_dec_indent(4);
mdb_printf("}\n");
}
return (rv);
}
/*
* dcmd ::ksidlist - display a ksidlist_t
*/
int
cmd_ksidlist(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
ksidlist_t ksl;
ksid_t ks;
uint_t i, opts = FALSE;
int rv = DCMD_OK;
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, OPT_VERBOSE, &opts, NULL) != argc)
return (DCMD_USAGE);
if (!(flags & DCMD_ADDRSPEC)) {
return (DCMD_USAGE);
}
if (mdb_vread(&ksl, sizeof (ksl), addr) == -1) {
mdb_warn("error reading ksidlist_t at %p", addr);
return (DCMD_ERR);
}
if (opts & OPT_VERBOSE) {
mdb_printf("ksl_ref = 0x%x\n", ksl.ksl_ref);
mdb_printf("ksl_nsid = 0x%x\n", ksl.ksl_nsid);
mdb_printf("ksl_neid = 0x%x\n", ksl.ksl_neid);
}
mdb_printf("ksl_sids = [\n");
addr += OFFSETOF(ksidlist_t, ksl_sids);
mdb_inc_indent(4);
for (i = 0; i < ksl.ksl_nsid; i++, addr += sizeof (ksid_t)) {
if (mdb_vread(&ks, sizeof (ks), addr) == -1) {
mdb_warn("error reading ksid_t at %p", addr);
rv = DCMD_ERR;
break;
}
print_ksid(&ks);
}
mdb_dec_indent(4);
mdb_printf("]\n");
return (rv);
}
static void
print_ksid(const ksid_t *ks)
{
char str[80];
ksiddomain_t kd;
uintptr_t da, sa;
/* in case of errors */
strcpy(str, "(domain?)");
da = (uintptr_t)ks->ks_domain;
if (da == 0 || mdb_vread(&kd, sizeof (kd), da) < 0)
bzero(&kd, sizeof (kd));
sa = (uintptr_t)kd.kd_name;
if (sa != 0)
(void) mdb_readstr(str, sizeof (str), sa);
mdb_printf("%s-%u,\n", str, ks->ks_rid);
}
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