85c3b529f8
If a permission name is long enough the selinux class definition generation tool will go into a infinite loop. This is because it's macro max() is fooled into thinking it is dealing with unsigned numbers. This patch makes sure the macro always uses signed number so 1 > -1. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
#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\n", progname);
|
|
exit(1);
|
|
}
|
|
|
|
static char *stoupperx(const char *s)
|
|
{
|
|
char *s2 = strdup(s);
|
|
char *p;
|
|
|
|
if (!s2) {
|
|
fprintf(stderr, "%s: out of memory\n", 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;
|
|
|
|
progname = argv[0];
|
|
|
|
if (argc < 3)
|
|
usage();
|
|
|
|
fout = fopen(argv[1], "w");
|
|
if (!fout) {
|
|
fprintf(stderr, "Could not open %s for writing: %s\n",
|
|
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. */\n");
|
|
fprintf(fout, "#ifndef _SELINUX_FLASK_H_\n#define _SELINUX_FLASK_H_\n\n");
|
|
|
|
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\n", i+1);
|
|
}
|
|
|
|
fprintf(fout, "\n");
|
|
|
|
for (i = 1; i < isids_len; i++) {
|
|
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\n", i);
|
|
}
|
|
fprintf(fout, "\n#define SECINITSID_NUM %d\n", i-1);
|
|
fprintf(fout, "\n#endif\n");
|
|
fclose(fout);
|
|
|
|
fout = fopen(argv[2], "w");
|
|
if (!fout) {
|
|
fprintf(stderr, "Could not open %s for writing: %s\n",
|
|
argv[2], strerror(errno));
|
|
exit(4);
|
|
}
|
|
|
|
fprintf(fout, "/* This file is automatically generated. Do not edit. */\n");
|
|
fprintf(fout, "#ifndef _SELINUX_AV_PERMISSIONS_H_\n#define _SELINUX_AV_PERMISSIONS_H_\n\n");
|
|
|
|
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\n", (1<<j));
|
|
}
|
|
}
|
|
|
|
fprintf(fout, "\n#endif\n");
|
|
fclose(fout);
|
|
exit(0);
|
|
}
|