xref: /xnu-11417.121.6/tests/proc_info_udata.c (revision a1e26a70f38d1d7daa7b49b258e2f8538ad81650)
1*a1e26a70SApple OSS Distributions #include <darwintest.h>
2*a1e26a70SApple OSS Distributions #include "../bsd/sys/proc_info.h"
3*a1e26a70SApple OSS Distributions #include "../libsyscall/wrappers/libproc/libproc.h"
4*a1e26a70SApple OSS Distributions #include <stdio.h>
5*a1e26a70SApple OSS Distributions #include <unistd.h>
6*a1e26a70SApple OSS Distributions #include <TargetConditionals.h>
7*a1e26a70SApple OSS Distributions 
8*a1e26a70SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
9*a1e26a70SApple OSS Distributions 
10*a1e26a70SApple OSS Distributions T_DECL(proc_udata_info, "Get and set a proc udata token", T_META_TAG_VM_PREFERRED){
11*a1e26a70SApple OSS Distributions 	uint64_t token = mach_absolute_time();
12*a1e26a70SApple OSS Distributions 	proc_info_udata_t udata;
13*a1e26a70SApple OSS Distributions 	int ret;
14*a1e26a70SApple OSS Distributions 
15*a1e26a70SApple OSS Distributions 	udata = token;
16*a1e26a70SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_SET, &udata, sizeof(udata));
17*a1e26a70SApple OSS Distributions 
18*a1e26a70SApple OSS Distributions #if !TARGET_OS_OSX
19*a1e26a70SApple OSS Distributions 	T_WITH_ERRNO;
20*a1e26a70SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET returns error on non-supported platforms");
21*a1e26a70SApple OSS Distributions 	T_SKIP("Remaining tests are only supported on platforms with CONFIG_PROC_UDATA_STORAGE configured");
22*a1e26a70SApple OSS Distributions #endif
23*a1e26a70SApple OSS Distributions 
24*a1e26a70SApple OSS Distributions 	T_WITH_ERRNO;
25*a1e26a70SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, 0, "proc_udata_info PROC_UDATA_INFO_SET");
26*a1e26a70SApple OSS Distributions 
27*a1e26a70SApple OSS Distributions 	T_LOG("udata set to %#llx", udata);
28*a1e26a70SApple OSS Distributions 
29*a1e26a70SApple OSS Distributions 	bzero(&udata, sizeof(udata));
30*a1e26a70SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_GET, &udata, sizeof(udata));
31*a1e26a70SApple OSS Distributions 	T_WITH_ERRNO;
32*a1e26a70SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, 0, "proc_udata_info PROC_UDATA_INFO_GET");
33*a1e26a70SApple OSS Distributions 
34*a1e26a70SApple OSS Distributions 	T_ASSERT_EQ_ULLONG(token, udata, "proc_udata_info(): retrieved value matches token");
35*a1e26a70SApple OSS Distributions 
36*a1e26a70SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_SET, &udata, sizeof(uint32_t));
37*a1e26a70SApple OSS Distributions 	T_WITH_ERRNO;
38*a1e26a70SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET with invalid size returned -1");
39*a1e26a70SApple OSS Distributions 	T_ASSERT_EQ_INT(errno, EINVAL, "proc_udata_info PROC_UDATA_INFO_SET with invalid size returned EINVAL");
40*a1e26a70SApple OSS Distributions 
41*a1e26a70SApple OSS Distributions 	ret = proc_udata_info(getppid(), PROC_UDATA_INFO_GET, &udata, sizeof(udata));
42*a1e26a70SApple OSS Distributions 	T_WITH_ERRNO;
43*a1e26a70SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_GET returned -1 on attempt against non-self pid");
44*a1e26a70SApple OSS Distributions 	T_ASSERT_EQ_INT(errno, EACCES, "proc_udata_info PROC_UDATA_INFO_GET set errno to EACCES on attempt against non-self pid");
45*a1e26a70SApple OSS Distributions 
46*a1e26a70SApple OSS Distributions 	ret = proc_udata_info(getppid(), PROC_UDATA_INFO_SET, &udata, sizeof(udata));
47*a1e26a70SApple OSS Distributions 	T_WITH_ERRNO;
48*a1e26a70SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET returned -1 on attempt against non-self pid");
49*a1e26a70SApple OSS Distributions 	T_ASSERT_EQ_INT(errno, EACCES, "proc_udata_info PROC_UDATA_INFO_SET set errno to EACCES on attempt against non-self pid");
50*a1e26a70SApple OSS Distributions }
51