0c407c3f1d
Print error description on failure after functions known to set errno. Also mention the library function name in getenforce, policyvers and setenforce instead of the program name twice. Signed-off-by: Christian Göttsche <cgzones@googlemail.com> Acked-by: James Carter <jwcart2@gmail.com>
47 lines
992 B
C
47 lines
992 B
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;
|
|
int ret;
|
|
|
|
if (argc != 4) {
|
|
fprintf(stderr, "usage: %s scontext tcontext tclass\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);
|
|
}
|
|
|
|
ret = security_compute_relabel(argv[1], argv[2], tclass, &buf);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: security_compute_relabel failed: %s\n",
|
|
argv[0], strerror(errno));
|
|
exit(3);
|
|
}
|
|
|
|
printf("%s\n", buf);
|
|
freecon(buf);
|
|
exit(EXIT_SUCCESS);
|
|
}
|