2011-11-22 20:59:52 +00:00
|
|
|
/*-
|
|
|
|
* Copyright (c) 2011 Mikolaj Golub
|
|
|
|
* All rights reserved.
|
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
* are met:
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
*
|
|
|
|
* $FreeBSD$
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <sys/param.h>
|
2011-11-27 15:53:58 +00:00
|
|
|
#include <sys/elf.h>
|
2011-11-22 20:59:52 +00:00
|
|
|
#include <sys/sysctl.h>
|
|
|
|
#include <sys/user.h>
|
|
|
|
|
2011-11-27 15:53:58 +00:00
|
|
|
#include <vm/vm.h>
|
|
|
|
|
2011-11-22 20:59:52 +00:00
|
|
|
#include <err.h>
|
|
|
|
#include <errno.h>
|
|
|
|
#include <libprocstat.h>
|
|
|
|
#include <limits.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <string.h>
|
|
|
|
|
|
|
|
#include "procstat.h"
|
|
|
|
|
2011-12-12 22:01:33 +00:00
|
|
|
#define PROC_AUXV_MAX 256
|
|
|
|
|
|
|
|
static Elf_Auxinfo auxv[PROC_AUXV_MAX];
|
2011-11-27 15:53:58 +00:00
|
|
|
static char prefix[256];
|
|
|
|
|
2011-12-12 22:01:33 +00:00
|
|
|
#if __ELF_WORD_SIZE == 64
|
|
|
|
static Elf32_Auxinfo auxv32[PROC_AUXV_MAX];
|
|
|
|
|
|
|
|
static const char *elf32_sv_names[] = {
|
|
|
|
"Linux ELF32",
|
|
|
|
"FreeBSD ELF32",
|
|
|
|
};
|
|
|
|
|
|
|
|
static int
|
|
|
|
is_elf32(pid_t pid)
|
|
|
|
{
|
|
|
|
int error, name[4];
|
|
|
|
size_t len, i;
|
|
|
|
static char sv_name[256];
|
|
|
|
|
|
|
|
name[0] = CTL_KERN;
|
|
|
|
name[1] = KERN_PROC;
|
|
|
|
name[2] = KERN_PROC_SV_NAME;
|
|
|
|
name[3] = pid;
|
|
|
|
len = sizeof(sv_name);
|
|
|
|
error = sysctl(name, 4, sv_name, &len, NULL, 0);
|
|
|
|
if (error != 0 || len == 0)
|
|
|
|
return (0);
|
|
|
|
for (i = 0; i < sizeof(elf32_sv_names) / sizeof(*elf32_sv_names); i++) {
|
|
|
|
if (strncmp(sv_name, elf32_sv_names[i], sizeof(sv_name)) == 0)
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static size_t
|
|
|
|
retrieve_auxv32(pid_t pid)
|
|
|
|
{
|
2012-01-29 20:39:42 +00:00
|
|
|
int name[4];
|
2011-12-12 22:01:33 +00:00
|
|
|
size_t len, i;
|
|
|
|
void *ptr;
|
|
|
|
|
|
|
|
name[0] = CTL_KERN;
|
|
|
|
name[1] = KERN_PROC;
|
|
|
|
name[2] = KERN_PROC_AUXV;
|
|
|
|
name[3] = pid;
|
|
|
|
len = sizeof(auxv32);
|
2012-01-29 20:39:42 +00:00
|
|
|
if (sysctl(name, 4, auxv32, &len, NULL, 0) == -1) {
|
|
|
|
if (errno != ESRCH && errno != EPERM)
|
|
|
|
warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
|
2011-12-12 22:01:33 +00:00
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
for (i = 0; i < len; i++) {
|
|
|
|
/*
|
|
|
|
* XXX: We expect that values for a_type on a 32-bit platform
|
|
|
|
* are directly mapped to those on 64-bit one, which is not
|
|
|
|
* necessarily true.
|
|
|
|
*/
|
|
|
|
auxv[i].a_type = auxv32[i].a_type;
|
|
|
|
ptr = &auxv32[i].a_un;
|
|
|
|
auxv[i].a_un.a_val = *((uint32_t *)ptr);
|
|
|
|
}
|
|
|
|
return (len);
|
|
|
|
}
|
|
|
|
#endif /* __ELF_WORD_SIZE == 64 */
|
|
|
|
|
2011-11-27 15:53:58 +00:00
|
|
|
#define PRINT(name, spec, val) \
|
|
|
|
printf("%s %-16s " #spec "\n", prefix, #name, (val))
|
|
|
|
#define PRINT_UNKNOWN(type, val) \
|
|
|
|
printf("%s %16ld %#lx\n", prefix, (long)type, (u_long)(val))
|
2011-11-22 20:59:52 +00:00
|
|
|
|
2011-12-12 22:01:33 +00:00
|
|
|
static size_t
|
|
|
|
retrieve_auxv(pid_t pid)
|
2011-11-22 20:59:52 +00:00
|
|
|
{
|
2012-01-29 20:39:42 +00:00
|
|
|
int name[4];
|
2011-12-12 22:01:33 +00:00
|
|
|
size_t len;
|
2011-11-22 20:59:52 +00:00
|
|
|
|
2011-12-12 22:01:33 +00:00
|
|
|
#if __ELF_WORD_SIZE == 64
|
|
|
|
if (is_elf32(pid))
|
|
|
|
return (retrieve_auxv32(pid));
|
|
|
|
#endif
|
2011-11-22 20:59:52 +00:00
|
|
|
name[0] = CTL_KERN;
|
|
|
|
name[1] = KERN_PROC;
|
|
|
|
name[2] = KERN_PROC_AUXV;
|
2011-12-12 22:01:33 +00:00
|
|
|
name[3] = pid;
|
|
|
|
len = sizeof(auxv);
|
2012-01-29 20:39:42 +00:00
|
|
|
if (sysctl(name, 4, auxv, &len, NULL, 0) == -1) {
|
|
|
|
if (errno != ESRCH && errno != EPERM)
|
|
|
|
warn("sysctl: kern.proc.auxv: %d: %d", pid, errno);
|
2011-12-12 22:01:33 +00:00
|
|
|
return (0);
|
2011-11-22 20:59:52 +00:00
|
|
|
}
|
2011-12-12 22:01:33 +00:00
|
|
|
return (len);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
procstat_auxv(struct kinfo_proc *kipp)
|
|
|
|
{
|
|
|
|
size_t len, i;
|
|
|
|
|
|
|
|
if (!hflag)
|
|
|
|
printf("%5s %-16s %-16s %-16s\n", "PID", "COMM", "AUXV", "VALUE");
|
|
|
|
len = retrieve_auxv(kipp->ki_pid);
|
|
|
|
if (len == 0)
|
2011-11-22 20:59:52 +00:00
|
|
|
return;
|
2011-11-27 15:53:58 +00:00
|
|
|
snprintf(prefix, sizeof(prefix), "%5d %-16s", kipp->ki_pid,
|
|
|
|
kipp->ki_comm);
|
2011-11-23 07:34:09 +00:00
|
|
|
for (i = 0; i < len; i++) {
|
|
|
|
switch(auxv[i].a_type) {
|
2011-11-22 20:59:52 +00:00
|
|
|
case AT_NULL:
|
|
|
|
return;
|
|
|
|
case AT_IGNORE:
|
|
|
|
break;
|
|
|
|
case AT_EXECFD:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_EXECFD, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_PHDR:
|
2011-11-27 15:53:58 +00:00
|
|
|
PRINT(AT_PHDR, %p, auxv[i].a_un.a_ptr);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_PHENT:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_PHENT, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_PHNUM:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_PHNUM, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_PAGESZ:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_PAGESZ, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_BASE:
|
2011-11-27 15:53:58 +00:00
|
|
|
PRINT(AT_BASE, %p, auxv[i].a_un.a_ptr);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_FLAGS:
|
2011-11-27 15:53:58 +00:00
|
|
|
PRINT(AT_FLAGS, %#lx, (u_long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_ENTRY:
|
2011-11-27 15:53:58 +00:00
|
|
|
PRINT(AT_ENTRY, %p, auxv[i].a_un.a_ptr);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
2011-11-23 07:34:09 +00:00
|
|
|
#ifdef AT_NOTELF
|
2011-11-22 20:59:52 +00:00
|
|
|
case AT_NOTELF:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_NOTELF, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
2011-11-23 07:34:09 +00:00
|
|
|
#endif
|
|
|
|
#ifdef AT_UID
|
2011-11-22 20:59:52 +00:00
|
|
|
case AT_UID:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_UID, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
2011-11-23 07:34:09 +00:00
|
|
|
#endif
|
|
|
|
#ifdef AT_EUID
|
2011-11-22 20:59:52 +00:00
|
|
|
case AT_EUID:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_EUID, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
2011-11-23 07:34:09 +00:00
|
|
|
#endif
|
|
|
|
#ifdef AT_GID
|
2011-11-22 20:59:52 +00:00
|
|
|
case AT_GID:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_GID, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
2011-11-23 07:34:09 +00:00
|
|
|
#endif
|
|
|
|
#ifdef AT_EGID
|
2011-11-22 20:59:52 +00:00
|
|
|
case AT_EGID:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_EGID, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
2011-11-23 07:34:09 +00:00
|
|
|
#endif
|
2011-11-22 20:59:52 +00:00
|
|
|
case AT_EXECPATH:
|
2011-11-27 15:53:58 +00:00
|
|
|
PRINT(AT_EXECPATH, %p, auxv[i].a_un.a_ptr);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_CANARY:
|
2011-11-27 15:53:58 +00:00
|
|
|
PRINT(AT_CANARY, %p, auxv[i].a_un.a_ptr);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_CANARYLEN:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_CANARYLEN, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_OSRELDATE:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_OSRELDATE, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_NCPUS:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_NCPUS, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_PAGESIZES:
|
2011-11-27 15:53:58 +00:00
|
|
|
PRINT(AT_PAGESIZES, %p, auxv[i].a_un.a_ptr);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_PAGESIZESLEN:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_PAGESIZESLEN, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_STACKPROT:
|
2011-11-27 15:53:58 +00:00
|
|
|
if ((auxv[i].a_un.a_val & VM_PROT_EXECUTE) != 0)
|
|
|
|
PRINT(AT_STACKPROT, %s, "NONEXECUTABLE");
|
|
|
|
else
|
|
|
|
PRINT(AT_STACKPROT, %s, "EXECUTABLE");
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
case AT_COUNT:
|
2011-11-28 07:09:29 +00:00
|
|
|
PRINT(AT_COUNT, %ld, (long)auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
default:
|
2011-11-27 15:53:58 +00:00
|
|
|
PRINT_UNKNOWN(auxv[i].a_type, auxv[i].a_un.a_val);
|
2011-11-22 20:59:52 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
}
|
|
|
|
|