xref: /xnu-8796.141.3/tests/proc_info_udata.c (revision 1b191cb58250d0705d8a51287127505aa4bc0789)
1*1b191cb5SApple OSS Distributions #include <darwintest.h>
2*1b191cb5SApple OSS Distributions #include "../bsd/sys/proc_info.h"
3*1b191cb5SApple OSS Distributions #include "../libsyscall/wrappers/libproc/libproc.h"
4*1b191cb5SApple OSS Distributions #include <stdio.h>
5*1b191cb5SApple OSS Distributions #include <unistd.h>
6*1b191cb5SApple OSS Distributions #include <TargetConditionals.h>
7*1b191cb5SApple OSS Distributions 
8*1b191cb5SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
9*1b191cb5SApple OSS Distributions 
10*1b191cb5SApple OSS Distributions T_DECL(proc_udata_info, "Get and set a proc udata token"){
11*1b191cb5SApple OSS Distributions 	uint64_t token = mach_absolute_time();
12*1b191cb5SApple OSS Distributions 	proc_info_udata_t udata;
13*1b191cb5SApple OSS Distributions 	int ret;
14*1b191cb5SApple OSS Distributions 
15*1b191cb5SApple OSS Distributions 	udata = token;
16*1b191cb5SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_SET, &udata, sizeof(udata));
17*1b191cb5SApple OSS Distributions 
18*1b191cb5SApple OSS Distributions #if !TARGET_OS_OSX
19*1b191cb5SApple OSS Distributions 	T_WITH_ERRNO;
20*1b191cb5SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET returns error on non-supported platforms");
21*1b191cb5SApple OSS Distributions 	T_SKIP("Remaining tests are only supported on platforms with CONFIG_PROC_UDATA_STORAGE configured");
22*1b191cb5SApple OSS Distributions #endif
23*1b191cb5SApple OSS Distributions 
24*1b191cb5SApple OSS Distributions 	T_WITH_ERRNO;
25*1b191cb5SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, 0, "proc_udata_info PROC_UDATA_INFO_SET");
26*1b191cb5SApple OSS Distributions 
27*1b191cb5SApple OSS Distributions 	T_LOG("udata set to %#llx", udata);
28*1b191cb5SApple OSS Distributions 
29*1b191cb5SApple OSS Distributions 	bzero(&udata, sizeof(udata));
30*1b191cb5SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_GET, &udata, sizeof(udata));
31*1b191cb5SApple OSS Distributions 	T_WITH_ERRNO;
32*1b191cb5SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, 0, "proc_udata_info PROC_UDATA_INFO_GET");
33*1b191cb5SApple OSS Distributions 
34*1b191cb5SApple OSS Distributions 	T_ASSERT_EQ_ULLONG(token, udata, "proc_udata_info(): retrieved value matches token");
35*1b191cb5SApple OSS Distributions 
36*1b191cb5SApple OSS Distributions 	ret = proc_udata_info(getpid(), PROC_UDATA_INFO_SET, &udata, sizeof(uint32_t));
37*1b191cb5SApple OSS Distributions 	T_WITH_ERRNO;
38*1b191cb5SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET with invalid size returned -1");
39*1b191cb5SApple OSS Distributions 	T_ASSERT_EQ_INT(errno, EINVAL, "proc_udata_info PROC_UDATA_INFO_SET with invalid size returned EINVAL");
40*1b191cb5SApple OSS Distributions 
41*1b191cb5SApple OSS Distributions 	ret = proc_udata_info(getppid(), PROC_UDATA_INFO_GET, &udata, sizeof(udata));
42*1b191cb5SApple OSS Distributions 	T_WITH_ERRNO;
43*1b191cb5SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_GET returned -1 on attempt against non-self pid");
44*1b191cb5SApple 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*1b191cb5SApple OSS Distributions 
46*1b191cb5SApple OSS Distributions 	ret = proc_udata_info(getppid(), PROC_UDATA_INFO_SET, &udata, sizeof(udata));
47*1b191cb5SApple OSS Distributions 	T_WITH_ERRNO;
48*1b191cb5SApple OSS Distributions 	T_ASSERT_EQ_INT(ret, -1, "proc_udata_info PROC_UDATA_INFO_SET returned -1 on attempt against non-self pid");
49*1b191cb5SApple 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*1b191cb5SApple OSS Distributions }
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