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authorDenis Vlasenko2007-10-29 19:25:45 +0000
committerDenis Vlasenko2007-10-29 19:25:45 +0000
commit15ca51e3e2a31efc275b616106244d8ec3f8f773 (patch)
treee54716fcb612a54cfa72564d9ef089eebe92acbd /libbb/appletlib.c
parent5a28a25b9dd81e0975532458723c4244ff532e58 (diff)
downloadbusybox-15ca51e3e2a31efc275b616106244d8ec3f8f773.zip
busybox-15ca51e3e2a31efc275b616106244d8ec3f8f773.tar.gz
appletlib.c: make it actally follow _BB_SUID_ALWAYS rules
adduser: implement -S and code shrink / fix uid selection *: sanitize getspnam_r use text data bss dec hex filename 777042 974 9676 787692 c04ec busybox_old 776883 974 9676 787533 c044d busybox_unstripped
Diffstat (limited to 'libbb/appletlib.c')
-rw-r--r--libbb/appletlib.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index 8b1ed80..4bd60d0 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -459,10 +459,7 @@ static void check_suid(const struct bb_applet *applet)
if (sct->m_applet == applet)
goto found;
}
- /* default: drop all privileges */
- xsetgid(rgid);
- xsetuid(ruid);
- return;
+ goto check_need_suid;
found:
m = sct->m_mode;
if (sct->m_uid == ruid)
@@ -505,13 +502,13 @@ static void check_suid(const struct bb_applet *applet)
}
}
#endif
+ check_need_suid:
#endif
-
if (applet->need_suid == _BB_SUID_ALWAYS) {
/* Real uid is not 0. If euid isn't 0 too, suid bit
* is most probably not set on our executable */
if (geteuid())
- bb_error_msg_and_die("applet requires root privileges!");
+ bb_error_msg_and_die("must be suid to work properly");
} else if (applet->need_suid == _BB_SUID_NEVER) {
xsetgid(rgid); /* drop all privileges */
xsetuid(ruid);