43 lines
758 B
C
43 lines
758 B
C
#include <unistd.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include "selinux_internal.h"
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#include <stdio.h>
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#include "policy.h"
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#include "dso.h"
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#include <limits.h>
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#define DEFAULT_POLICY_VERSION 15
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int security_policyvers(void)
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{
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int fd, ret;
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char path[PATH_MAX];
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char buf[20];
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unsigned vers = DEFAULT_POLICY_VERSION;
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snprintf(path, sizeof path, "%s/policyvers", selinux_mnt);
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fd = open(path, O_RDONLY);
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if (fd < 0) {
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if (errno == ENOENT)
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return vers;
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else
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return -1;
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}
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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 -1;
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if (sscanf(buf, "%u", &vers) != 1)
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return -1;
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return vers;
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}
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hidden_def(security_policyvers)
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