xref: /xnu-8792.61.2/tests/proc_info_udata.c (revision 42e220869062b56f8d7d0726fd4c88954f87902c)
1*42e22086SApple OSS Distributions #include <darwintest.h>
2*42e22086SApple OSS Distributions #include "../bsd/sys/proc_info.h"
3*42e22086SApple OSS Distributions #include "../libsyscall/wrappers/libproc/libproc.h"
4*42e22086SApple OSS Distributions #include <stdio.h>
5*42e22086SApple OSS Distributions #include <unistd.h>
6*42e22086SApple OSS Distributions #include <TargetConditionals.h>
7*42e22086SApple OSS Distributions 
8*42e22086SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
9*42e22086SApple OSS Distributions 
10*42e22086SApple OSS Distributions T_DECL(proc_udata_info, "Get and set a proc udata token"){
11*42e22086SApple OSS Distributions 	uint64_t token = mach_absolute_time();
12*42e22086SApple OSS Distributions 	proc_info_udata_t udata;
13*42e22086SApple OSS Distributions 	int ret;
14*42e22086SApple OSS Distributions 
15*42e22086SApple OSS Distributions 	udata = token;
16*42e22086SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_SET, &udata, sizeof(udata));
17*42e22086SApple OSS Distributions 
18*42e22086SApple OSS Distributions #if !TARGET_OS_OSX
19*42e22086SApple OSS Distributions 	T_WITH_ERRNO;
20*42e22086SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET returns error on non-supported platforms");
21*42e22086SApple OSS Distributions 	T_SKIP("Remaining tests are only supported on platforms with CONFIG_PROC_UDATA_STORAGE configured");
22*42e22086SApple OSS Distributions #endif
23*42e22086SApple OSS Distributions 
24*42e22086SApple OSS Distributions 	T_WITH_ERRNO;
25*42e22086SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, 0, "proc_udata_info PROC_UDATA_INFO_SET");
26*42e22086SApple OSS Distributions 
27*42e22086SApple OSS Distributions 	T_LOG("udata set to %#llx", udata);
28*42e22086SApple OSS Distributions 
29*42e22086SApple OSS Distributions 	bzero(&udata, sizeof(udata));
30*42e22086SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_GET, &udata, sizeof(udata));
31*42e22086SApple OSS Distributions 	T_WITH_ERRNO;
32*42e22086SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, 0, "proc_udata_info PROC_UDATA_INFO_GET");
33*42e22086SApple OSS Distributions 
34*42e22086SApple OSS Distributions 	T_ASSERT_EQ_ULLONG(token, udata, "proc_udata_info(): retrieved value matches token");
35*42e22086SApple OSS Distributions 
36*42e22086SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_SET, &udata, sizeof(uint32_t));
37*42e22086SApple OSS Distributions 	T_WITH_ERRNO;
38*42e22086SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET with invalid size returned -1");
39*42e22086SApple OSS Distributions 	T_ASSERT_EQ_INT(errno, EINVAL, "proc_udata_info PROC_UDATA_INFO_SET with invalid size returned EINVAL");
40*42e22086SApple OSS Distributions 
41*42e22086SApple OSS Distributions 	ret = proc_udata_info(getppid(), PROC_UDATA_INFO_GET, &udata, sizeof(udata));
42*42e22086SApple OSS Distributions 	T_WITH_ERRNO;
43*42e22086SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_GET returned -1 on attempt against non-self pid");
44*42e22086SApple 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*42e22086SApple OSS Distributions 
46*42e22086SApple OSS Distributions 	ret = proc_udata_info(getppid(), PROC_UDATA_INFO_SET, &udata, sizeof(udata));
47*42e22086SApple OSS Distributions 	T_WITH_ERRNO;
48*42e22086SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET returned -1 on attempt against non-self pid");
49*42e22086SApple 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*42e22086SApple OSS Distributions }
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