fake_id0: hook mknod to always succeed

proot-me · Jul 4, 2013 · d1be631 · d1be631 · oxr463 · Mar 6, 2019
1 parent 103bb66
commit d1be631
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Showing 3 changed files with 3 additions and 0 deletions.
diff --git a/src/extension/fake_id0/enter.c b/src/extension/fake_id0/enter.c
@@ -65,6 +65,7 @@ case PR_getresuid:
 case PR_getresuid32:
 case PR_getresgid:
 case PR_getresgid32:
+case PR_mknod:
 	/* Force the sysexit stage under seccomp.  */
 	tracee->restart_how = PTRACE_SYSCALL;
 default:

diff --git a/src/extension/fake_id0/exit.c b/src/extension/fake_id0/exit.c
@@ -137,6 +137,7 @@ case PR_setuid32:
 case PR_setgid32:
 case PR_setfsuid32:
 case PR_setfsgid32:
+case PR_mknod:
 	/* Force success.  */
 	poke_reg(tracee, SYSARG_RESULT, 0);
 	return 0;

diff --git a/src/extension/fake_id0/filter.h b/src/extension/fake_id0/filter.h
@@ -33,6 +33,7 @@
 { PR_lchown32,		0 },
 { PR_lstat,		0 },
 { PR_lstat64,		0 },
+{ PR_mknod,		0 },
 { PR_newfstatat,	0 },
 { PR_oldlstat,		0 },
 { PR_oldstat,		0 },