emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

appletlib.c: make it actally follow _BB_SUID_ALWAYS rules

Browse Source 
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
This commit is contained in:
Denis Vlasenko
2007-10-29 19:25:45 +00:00
parent 5a28a25b9d
commit 15ca51e3e2
7 changed files with 121 additions and 153 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
libbb/appletlib.c
View File

@@ -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);