6b13f685e
 김민수
BSP 최초 추가
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
struct security_class_mapping {
const char *name;
const char *perms[sizeof(unsigned) * 8 + 1];
};
#include "classmap.h"
#include "initial_sid_to_string.h"
#define max(x, y) (((int)(x) > (int)(y)) ? x : y)
const char *progname;
static void usage(void)
{
printf("usage: %s flask.h av_permissions.h
", progname);
exit(1);
}
static char *stoupperx(const char *s)
{
char *s2 = strdup(s);
char *p;
if (!s2) {
fprintf(stderr, "%s: out of memory
", progname);
exit(3);
}
for (p = s2; *p; p++)
*p = toupper(*p);
return s2;
}
int main(int argc, char *argv[])
{
int i, j, k;
int isids_len;
FILE *fout;
const char *needle = "SOCKET";
char *substr;
progname = argv[0];
if (argc < 3)
usage();
fout = fopen(argv[1], "w");
if (!fout) {
fprintf(stderr, "Could not open %s for writing: %s
",
argv[1], strerror(errno));
exit(2);
}
for (i = 0; secclass_map[i].name; i++) {
struct security_class_mapping *map = &secclass_map[i];
map->name = stoupperx(map->name);
for (j = 0; map->perms[j]; j++)
map->perms[j] = stoupperx(map->perms[j]);
}
isids_len = sizeof(initial_sid_to_string) / sizeof (char *);
for (i = 1; i < isids_len; i++)
initial_sid_to_string[i] = stoupperx(initial_sid_to_string[i]);
fprintf(fout, "/* This file is automatically generated. Do not edit. */
");
fprintf(fout, "#ifndef _SELINUX_FLASK_H_
#define _SELINUX_FLASK_H_
");
for (i = 0; secclass_map[i].name; i++) {
struct security_class_mapping *map = &secclass_map[i];
fprintf(fout, "#define SECCLASS_%s", map->name);
for (j = 0; j < max(1, 40 - strlen(map->name)); j++)
fprintf(fout, " ");
fprintf(fout, "%2d
", i+1);
}
fprintf(fout, "
");
for (i = 1; i < isids_len; i++) {
const char *s = initial_sid_to_string[i];
fprintf(fout, "#define SECINITSID_%s", s);
for (j = 0; j < max(1, 40 - strlen(s)); j++)
fprintf(fout, " ");
fprintf(fout, "%2d
", i);
}
fprintf(fout, "
#define SECINITSID_NUM %d
", i-1);
fprintf(fout, "
static inline bool security_is_socket_class(u16 kern_tclass)
");
fprintf(fout, "{
");
fprintf(fout, "\tbool sock = false;
");
fprintf(fout, "\tswitch (kern_tclass) {
");
for (i = 0; secclass_map[i].name; i++) {
struct security_class_mapping *map = &secclass_map[i];
substr = strstr(map->name, needle);
if (substr && strcmp(substr, needle) == 0)
fprintf(fout, "\tcase SECCLASS_%s:
", map->name);
}
fprintf(fout, "\t\tsock = true;
");
fprintf(fout, "\t\tbreak;
");
fprintf(fout, "\tdefault:
");
fprintf(fout, "\t\tbreak;
");
fprintf(fout, "\t}
");
fprintf(fout, "\treturn sock;
");
fprintf(fout, "}
");
fprintf(fout, "
#endif
");
fclose(fout);
fout = fopen(argv[2], "w");
if (!fout) {
fprintf(stderr, "Could not open %s for writing: %s
",
argv[2], strerror(errno));
exit(4);
}
fprintf(fout, "/* This file is automatically generated. Do not edit. */
");
fprintf(fout, "#ifndef _SELINUX_AV_PERMISSIONS_H_
#define _SELINUX_AV_PERMISSIONS_H_
");
for (i = 0; secclass_map[i].name; i++) {
struct security_class_mapping *map = &secclass_map[i];
for (j = 0; map->perms[j]; j++) {
fprintf(fout, "#define %s__%s", map->name,
map->perms[j]);
for (k = 0; k < max(1, 40 - strlen(map->name) - strlen(map->perms[j])); k++)
fprintf(fout, " ");
fprintf(fout, "0x%08xUL
", (1<<j));
}
}
fprintf(fout, "
#endif
");
fclose(fout);
exit(0);
}
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