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do chdir("/") after chroot()

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This commit is contained in:
Love Hornquist Astrand
2012-11-27 21:55:42 -08:00
parent 237ac68bb0
commit 039b1941ea
1 changed files with 6 additions and 2 deletions
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8
kdc/main.c
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@@ -68,8 +68,12 @@ switch_environment(void)
if ((runas_string || chroot_string) && geteuid() != 0)
errx(1, "no running as root, can't switch user/chroot");
if (chroot_string && chroot(chroot_string) != 0)
errx(1, "chroot(%s)", "chroot_string failed");
if (chroot_string) {
if (chroot(chroot_string))
err(1, "chroot(%s) failed", chroot_string);
if (chdir("/"))
err(1, "chdir(/) after chroot failed");
}
if (runas_string) {
struct passwd *pw;