1 #include <sys/syscall.h>
2 #include <unistd.h>
3 #include <fcntl.h>
4 #include <pthread.h>
5 #include <string.h>
6 #include <stdlib.h>
7 #include <stdio.h>
8 #include <errno.h>
9 #include "selinux_internal.h"
10 #include "policy.h"
12 #define UNSET (char *) -1
83 static int openattr(pid_t pid, const char *attr, int flags)  in openattr()  argument
89 	if (pid > 0) {  in openattr()
90 		rc = asprintf(&path, "/proc/%d/attr/%s", pid, attr);  in openattr()
91 	} else if (pid == 0) {  in openattr()
92 		rc = asprintf(&path, "/proc/thread-self/attr/%s", attr);  in openattr()
94 			return -1;  in openattr()
103 		return -1;  in openattr()
106 		return -1;  in openattr()
115 			      pid_t pid, const char *attr)  in getprocattrcon_raw()  argument
148 			return -1;  in getprocattrcon_raw()
154 			return -1;  in getprocattrcon_raw()
159 	fd = openattr(pid, attr, O_RDONLY | O_CLOEXEC);  in getprocattrcon_raw()
161 		return -1;  in getprocattrcon_raw()
166 		ret = -1;  in getprocattrcon_raw()
172 		ret = read(fd, buf, size - 1);  in getprocattrcon_raw()
184 		ret = -1;  in getprocattrcon_raw()
198 			  pid_t pid, const char *attr)  in getprocattrcon()  argument
203 	ret = getprocattrcon_raw(&rcontext, pid, attr);  in getprocattrcon()
214 			      pid_t pid, const char *attr)  in setprocattrcon_raw()  argument
242 			return -1;  in setprocattrcon_raw()
251 	fd = openattr(pid, attr, O_RDWR | O_CLOEXEC);  in setprocattrcon_raw()
253 		return -1;  in setprocattrcon_raw()
255 		ret = -1;  in setprocattrcon_raw()
273 		return -1;  in setprocattrcon_raw()
283 			  pid_t pid, const char *attr)  in setprocattrcon()  argument
289 		return -1;  in setprocattrcon()
291 	ret = setprocattrcon_raw(rcontext, pid, attr);  in setprocattrcon()
323 	int get##fn##_raw(pid_t pid, char **c)	\
325 		if (pid <= 0) { \
327 			return -1; \
329 			return getprocattrcon_raw(c, pid, #attr); \
332 	int get##fn(pid_t pid, char **c)	\
334 		if (pid <= 0) { \
336 			return -1; \
338 			return getprocattrcon(c, pid, #attr); \