86 lines
1.3 KiB
C
Executable File
86 lines
1.3 KiB
C
Executable File
#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include "selinux_internal.h"
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#include <stdlib.h>
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#include <errno.h>
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#include <limits.h>
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#include <asm/page.h>
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#include <stdio.h>
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#include "policy.h"
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int is_selinux_enabled(void)
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{
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char *buf;
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size_t size;
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int fd;
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ssize_t ret;
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int enabled = 0;
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security_context_t con;
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fd = open("/proc/filesystems", O_RDONLY);
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if (fd < 0)
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return -1;
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size = PAGE_SIZE;
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buf = malloc(size);
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if (!buf) {
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enabled = -1;
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goto out;
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}
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memset(buf, 0, size);
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ret = read(fd, buf, size - 1);
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if (ret < 0) {
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enabled = -1;
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goto out2;
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}
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if (!strstr(buf, "selinuxfs"))
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goto out2;
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enabled = 1;
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if (getcon_raw(&con) == 0) {
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if (!strcmp(con, "kernel"))
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enabled = 0;
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freecon(con);
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}
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out2:
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free(buf);
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out:
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close(fd);
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return enabled;
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}
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hidden_def(is_selinux_enabled)
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/*
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* Function: is_selinux_mls_enabled()
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* Return: 1 on success
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* 0 on failure
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*/
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int is_selinux_mls_enabled(void)
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{
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char buf[20], path[PATH_MAX];
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int fd, ret, enabled = 0;
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snprintf(path, sizeof path, "%s/mls", selinux_mnt);
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fd = open(path, O_RDONLY);
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if (fd < 0)
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return enabled;
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memset(buf, 0, sizeof buf);
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ret = read(fd, buf, sizeof buf-1);
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close(fd);
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if (ret < 0)
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return enabled;
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if (!strcmp(buf, "1"))
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enabled = 1;
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return enabled;
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}
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hidden_def(is_selinux_mls_enabled)
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