147173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner#include <unistd.h> 247173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner#include <sys/types.h> 347173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner#include <fcntl.h> 447173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner#include <stdlib.h> 547173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner#include <errno.h> 647173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner#include <string.h> 747173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner#include <stdio.h> 847173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner#include "selinux_internal.h" 947173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner#include "policy.h" 1047173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner#include <limits.h> 1147173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner 1247173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turnerint security_check_context(const char * con) 1347173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner{ 1447173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner char path[PATH_MAX]; 1547173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner int fd, ret; 1647173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner 1747173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner if (!selinux_mnt) { 1847173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner errno = ENOENT; 1947173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner return -1; 2047173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner } 2147173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner 2247173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner snprintf(path, sizeof path, "%s/context", selinux_mnt); 2347173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner fd = open(path, O_RDWR); 2447173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner if (fd < 0) 2547173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner return -1; 2647173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner 2747173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner ret = write(fd, con, strlen(con) + 1); 2847173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner close(fd); 2947173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner if (ret < 0) 3047173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner return -1; 3147173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner return 0; 3247173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner} 3347173c7d6704f1258b2d85537caa09185f6920c8David 'Digit' Turner 34