platform_external_selinux/libselinux/utils/compute_create.c
Christian Göttsche fa5b0504d8 libselinux: support objname in compute_create
Support passing an optional object name to compute_create for name
based type transitions.

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Acked-by: James Carter <jwcart2@gmail.com>
2022-10-13 11:23:41 -04:00

50 lines
1.1 KiB
C

#include <unistd.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <selinux/selinux.h>
int main(int argc, char **argv)
{
char *buf;
security_class_t tclass;
const char *objname;
int ret;
if (argc != 4 && argc != 5) {
fprintf(stderr, "usage: %s scontext tcontext tclass [objname]\n",
argv[0]);
exit(1);
}
if (security_check_context(argv[1])) {
fprintf(stderr, "%s: invalid source context '%s'\n", argv[0], argv[1]);
exit(4);
}
if (security_check_context(argv[2])) {
fprintf(stderr, "%s: invalid target context '%s'\n", argv[0], argv[2]);
exit(5);
}
tclass = string_to_security_class(argv[3]);
if (!tclass) {
fprintf(stderr, "%s: invalid class '%s'\n", argv[0], argv[3]);
exit(2);
}
objname = (argc == 5) ? argv[4] : NULL;
ret = security_compute_create_name(argv[1], argv[2], tclass, objname, &buf);
if (ret < 0) {
fprintf(stderr, "%s: security_compute_create failed: %s\n",
argv[0], strerror(errno));
exit(3);
}
printf("%s\n", buf);
freecon(buf);
exit(EXIT_SUCCESS);
}