printf("[RUN]\tchild: check that we inherited permissions\n");
expect_ok(0x80);
expect_gp(0xed);
+ printf("[RUN]\tchild: Extend permissions to 0x81\n");
+ if (ioperm(0x81, 1, 1) != 0) {
+ printf("[FAIL]\tioperm(0x81, 1, 1) failed (%d)", errno);
+ return 1;
+ }
+ printf("[RUN]\tchild: Drop permissions to 0x80\n");
+ if (ioperm(0x80, 1, 0) != 0) {
+ printf("[FAIL]\tioperm(0x80, 1, 0) failed (%d)", errno);
+ return 1;
+ }
+ expect_gp(0x80);
return 0;
} else {
int status;
}
}
- /* Test the capability checks. */
+ /* Verify that the child dropping 0x80 did not affect the parent */
+ printf("\tVerify that unsharing the bitmap worked\n");
+ expect_ok(0x80);
+ /* Test the capability checks. */
printf("\tDrop privileges\n");
if (setresuid(1, 1, 1) != 0) {
printf("[WARN]\tDropping privileges failed\n");