o Add inter-process authorization uid regression testing for ktrace().
Obtained from: TrustedBSD Project
This commit is contained in:
Robert Watson
parent
61b133b7c0
commit
8f6fee753c
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=75485
@ -26,12 +26,14 @@
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/param.h>
|
||||
#include <sys/uio.h>
|
||||
#include <sys/ptrace.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/resource.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <sys/wait.h>
|
||||
#include <sys/ktrace.h>
|
||||
|
||||
#include <assert.h>
|
||||
#include <errno.h>
|
||||
@ -54,6 +56,7 @@ struct cred {
|
||||
struct scenario {
|
||||
struct cred *sc_cred1, *sc_cred2; /* credentials of p1 and p2 */
|
||||
int sc_canptrace_errno; /* desired ptrace failure */
|
||||
int sc_canktrace_errno; /* desired ktrace failure */
|
||||
int sc_cansighup_errno; /* desired SIGHUP failure */
|
||||
int sc_cansigsegv_errno; /* desired SIGSEGV failure */
|
||||
int sc_cansee_errno; /* desired getprio failure */
|
||||
@ -86,51 +89,51 @@ static struct cred creds[] = {
|
||||
* Table of scenarios.
|
||||
*/
|
||||
static const struct scenario scenarios[] = {
|
||||
/* cred1 cred2 ptrace sighup sigsegv see sched name */
|
||||
{ &creds[0], &creds[0], 0, 0, 0, 0, 0, "0. priv on priv"},
|
||||
{ &creds[0], &creds[1], 0, 0, 0, 0, 0, "1. priv on priv"},
|
||||
{ &creds[1], &creds[0], 0, 0, 0, 0, 0, "2. priv on priv"},
|
||||
{ &creds[1], &creds[1], 0, 0, 0, 0, 0, "3. priv on priv"},
|
||||
/* cred1 cred2 ptrace ktrace, sighup sigsegv see sched name */
|
||||
{ &creds[0], &creds[0], 0, 0, 0, 0, 0, 0, "0. priv on priv"},
|
||||
{ &creds[0], &creds[1], 0, 0, 0, 0, 0, 0, "1. priv on priv"},
|
||||
{ &creds[1], &creds[0], 0, 0, 0, 0, 0, 0, "2. priv on priv"},
|
||||
{ &creds[1], &creds[1], 0, 0, 0, 0, 0, 0, "3. priv on priv"},
|
||||
/* privileged on unprivileged */
|
||||
{ &creds[0], &creds[2], 0, 0, 0, 0, 0, "4. priv on unpriv1"},
|
||||
{ &creds[0], &creds[3], 0, 0, 0, 0, 0, "5. priv on unpriv1"},
|
||||
{ &creds[1], &creds[2], 0, 0, 0, 0, 0, "6. priv on unpriv1"},
|
||||
{ &creds[1], &creds[3], 0, 0, 0, 0, 0, "7. priv on unpriv1"},
|
||||
{ &creds[0], &creds[2], 0, 0, 0, 0, 0, 0, "4. priv on unpriv1"},
|
||||
{ &creds[0], &creds[3], 0, 0, 0, 0, 0, 0, "5. priv on unpriv1"},
|
||||
{ &creds[1], &creds[2], 0, 0, 0, 0, 0, 0, "6. priv on unpriv1"},
|
||||
{ &creds[1], &creds[3], 0, 0, 0, 0, 0, 0, "7. priv on unpriv1"},
|
||||
/* unprivileged on privileged */
|
||||
{ &creds[2], &creds[0], EPERM, EPERM, EPERM, 0, EPERM, "8. unpriv1 on priv"},
|
||||
{ &creds[2], &creds[1], EPERM, EPERM, EPERM, 0, EPERM, "9. unpriv1 on priv"},
|
||||
{ &creds[3], &creds[0], EPERM, EPERM, EPERM, 0, EPERM, "10. unpriv1 on priv"},
|
||||
{ &creds[3], &creds[1], EPERM, EPERM, EPERM, 0, EPERM, "11. unpriv1 on priv"},
|
||||
{ &creds[2], &creds[0], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "8. unpriv1 on priv"},
|
||||
{ &creds[2], &creds[1], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "9. unpriv1 on priv"},
|
||||
{ &creds[3], &creds[0], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "10. unpriv1 on priv"},
|
||||
{ &creds[3], &creds[1], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "11. unpriv1 on priv"},
|
||||
/* unprivileged on same unprivileged */
|
||||
{ &creds[2], &creds[2], 0, 0, 0, 0, 0, "12. unpriv1 on unpriv1"},
|
||||
{ &creds[2], &creds[3], EPERM, 0, EPERM, 0, 0, "13. unpriv1 on unpriv1"},
|
||||
{ &creds[3], &creds[2], 0, 0, 0, 0, 0, "14. unpriv1 on unpriv1"},
|
||||
{ &creds[3], &creds[3], EPERM, 0, EPERM, 0, 0, "15. unpriv1 on unpriv1"},
|
||||
{ &creds[2], &creds[2], 0, 0, 0, 0, 0, 0, "12. unpriv1 on unpriv1"},
|
||||
{ &creds[2], &creds[3], EPERM, EPERM, 0, EPERM, 0, 0, "13. unpriv1 on unpriv1"},
|
||||
{ &creds[3], &creds[2], 0, 0, 0, 0, 0, 0, "14. unpriv1 on unpriv1"},
|
||||
{ &creds[3], &creds[3], EPERM, EPERM, 0, EPERM, 0, 0, "15. unpriv1 on unpriv1"},
|
||||
/* unprivileged on different unprivileged */
|
||||
{ &creds[2], &creds[4], EPERM, EPERM, EPERM, 0, EPERM, "16. unpriv1 on unpriv2"},
|
||||
{ &creds[2], &creds[5], EPERM, EPERM, EPERM, 0, EPERM, "17. unpriv1 on unpriv2"},
|
||||
{ &creds[3], &creds[4], EPERM, EPERM, EPERM, 0, EPERM, "18. unpriv1 on unpriv2"},
|
||||
{ &creds[3], &creds[5], EPERM, EPERM, EPERM, 0, EPERM, "19. unpriv1 on unpriv2"},
|
||||
{ &creds[2], &creds[4], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "16. unpriv1 on unpriv2"},
|
||||
{ &creds[2], &creds[5], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "17. unpriv1 on unpriv2"},
|
||||
{ &creds[3], &creds[4], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "18. unpriv1 on unpriv2"},
|
||||
{ &creds[3], &creds[5], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "19. unpriv1 on unpriv2"},
|
||||
/* unprivileged on daemon, same */
|
||||
{ &creds[2], &creds[6], EPERM, EPERM, EPERM, 0, EPERM, "20. unpriv1 on daemon1"},
|
||||
{ &creds[2], &creds[7], EPERM, EPERM, EPERM, 0, EPERM, "21. unpriv1 on daemon1"},
|
||||
{ &creds[3], &creds[6], EPERM, EPERM, EPERM, 0, EPERM, "22. unpriv1 on daemon1"},
|
||||
{ &creds[3], &creds[7], EPERM, EPERM, EPERM, 0, EPERM, "23. unpriv1 on daemon1"},
|
||||
{ &creds[2], &creds[6], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "20. unpriv1 on daemon1"},
|
||||
{ &creds[2], &creds[7], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "21. unpriv1 on daemon1"},
|
||||
{ &creds[3], &creds[6], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "22. unpriv1 on daemon1"},
|
||||
{ &creds[3], &creds[7], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "23. unpriv1 on daemon1"},
|
||||
/* unprivileged on daemon, different */
|
||||
{ &creds[2], &creds[8], EPERM, EPERM, EPERM, 0, EPERM, "24. unpriv1 on daemon2"},
|
||||
{ &creds[2], &creds[9], EPERM, EPERM, EPERM, 0, EPERM, "25. unpriv1 on daemon2"},
|
||||
{ &creds[3], &creds[8], EPERM, EPERM, EPERM, 0, EPERM, "26. unpriv1 on daemon2"},
|
||||
{ &creds[3], &creds[9], EPERM, EPERM, EPERM, 0, EPERM, "27. unpriv1 on daemon2"},
|
||||
{ &creds[2], &creds[8], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "24. unpriv1 on daemon2"},
|
||||
{ &creds[2], &creds[9], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "25. unpriv1 on daemon2"},
|
||||
{ &creds[3], &creds[8], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "26. unpriv1 on daemon2"},
|
||||
{ &creds[3], &creds[9], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "27. unpriv1 on daemon2"},
|
||||
/* unprivileged on setuid, same */
|
||||
{ &creds[2], &creds[10], EPERM, 0, 0, 0, 0, "28. unpriv1 on setuid1"},
|
||||
{ &creds[2], &creds[11], EPERM, 0, EPERM, 0, 0, "29. unpriv1 on setuid1"},
|
||||
{ &creds[3], &creds[10], EPERM, 0, 0, 0, 0, "30. unpriv1 on setuid1"},
|
||||
{ &creds[3], &creds[11], EPERM, 0, EPERM, 0, 0, "31. unpriv1 on setuid1"},
|
||||
{ &creds[2], &creds[10], EPERM, EPERM, 0, 0, 0, 0, "28. unpriv1 on setuid1"},
|
||||
{ &creds[2], &creds[11], EPERM, EPERM, 0, EPERM, 0, 0, "29. unpriv1 on setuid1"},
|
||||
{ &creds[3], &creds[10], EPERM, EPERM, 0, 0, 0, 0, "30. unpriv1 on setuid1"},
|
||||
{ &creds[3], &creds[11], EPERM, EPERM, 0, EPERM, 0, 0, "31. unpriv1 on setuid1"},
|
||||
/* unprivileged on setuid, different */
|
||||
{ &creds[2], &creds[12], EPERM, EPERM, EPERM, 0, EPERM, "32. unpriv1 on setuid2"},
|
||||
{ &creds[2], &creds[13], EPERM, EPERM, EPERM, 0, EPERM, "33. unpriv1 on setuid2"},
|
||||
{ &creds[3], &creds[12], EPERM, EPERM, EPERM, 0, EPERM, "34. unpriv1 on setuid2"},
|
||||
{ &creds[3], &creds[13], EPERM, EPERM, EPERM, 0, EPERM, "35. unpriv1 on setuid2"},
|
||||
{ &creds[2], &creds[12], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "32. unpriv1 on setuid2"},
|
||||
{ &creds[2], &creds[13], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "33. unpriv1 on setuid2"},
|
||||
{ &creds[3], &creds[12], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "34. unpriv1 on setuid2"},
|
||||
{ &creds[3], &creds[13], EPERM, EPERM, EPERM, EPERM, 0, EPERM, "35. unpriv1 on setuid2"},
|
||||
};
|
||||
int scenarios_count = sizeof(scenarios) / sizeof(struct scenario);
|
||||
|
||||
@ -158,6 +161,7 @@ errno_to_string(int error)
|
||||
case 0:
|
||||
return ("0");
|
||||
default:
|
||||
printf("%d\n", error);
|
||||
return ("unknown");
|
||||
}
|
||||
}
|
||||
@ -246,10 +250,11 @@ cred_print(FILE *output, struct cred *cred)
|
||||
}
|
||||
|
||||
#define LOOP_PTRACE 0
|
||||
#define LOOP_SIGHUP 1
|
||||
#define LOOP_SIGSEGV 2
|
||||
#define LOOP_SEE 3
|
||||
#define LOOP_SCHED 4
|
||||
#define LOOP_KTRACE 1
|
||||
#define LOOP_SIGHUP 2
|
||||
#define LOOP_SIGSEGV 3
|
||||
#define LOOP_SEE 4
|
||||
#define LOOP_SCHED 5
|
||||
#define LOOP_MAX LOOP_SCHED
|
||||
|
||||
/*
|
||||
@ -261,7 +266,7 @@ static int
|
||||
enact_scenario(int scenario)
|
||||
{
|
||||
pid_t pid1, pid2;
|
||||
char *name;
|
||||
char *name, *tracefile;
|
||||
int error, desirederror, loop;
|
||||
|
||||
for (loop = 0; loop < LOOP_MAX+1; loop++) {
|
||||
@ -331,6 +336,21 @@ enact_scenario(int scenario)
|
||||
desirederror =
|
||||
scenarios[scenario].sc_canptrace_errno;
|
||||
break;
|
||||
case LOOP_KTRACE:
|
||||
tracefile = mktemp("/tmp/testuid_ktrace.XXXXXX");
|
||||
if (tracefile == NULL) {
|
||||
error = errno;
|
||||
perror("mktemp");
|
||||
break;
|
||||
}
|
||||
error = ktrace(tracefile, KTROP_SET,
|
||||
KTRFAC_SYSCALL, pid1);
|
||||
error = errno;
|
||||
name = "ktrace";
|
||||
desirederror =
|
||||
scenarios[scenario].sc_canktrace_errno;
|
||||
unlink(tracefile);
|
||||
break;
|
||||
case LOOP_SIGHUP:
|
||||
error = kill(pid1, SIGHUP);
|
||||
error = errno;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user