1#include <unistd.h> 2#include <sys/types.h> 3#include <fcntl.h> 4#include <stdlib.h> 5#include <errno.h> 6#include <string.h> 7#include <stdio.h> 8#include "selinux_internal.h" 9#include "policy.h" 10#include <limits.h> 11 12int security_check_context_raw(const char * con) 13{ 14 char path[PATH_MAX]; 15 int fd, ret; 16 17 if (!selinux_mnt) { 18 errno = ENOENT; 19 return -1; 20 } 21 22 snprintf(path, sizeof path, "%s/context", selinux_mnt); 23 fd = open(path, O_RDWR); 24 if (fd < 0) 25 return -1; 26 27 ret = write(fd, con, strlen(con) + 1); 28 close(fd); 29 if (ret < 0) 30 return -1; 31 return 0; 32} 33 34hidden_def(security_check_context_raw) 35 36int security_check_context(const char * con) 37{ 38 int ret; 39 char * rcon; 40 41 if (selinux_trans_to_raw_context(con, &rcon)) 42 return -1; 43 44 ret = security_check_context_raw(rcon); 45 46 freecon(rcon); 47 48 return ret; 49} 50 51hidden_def(security_check_context) 52