From bd4617a911fb961c5251425fff3e531e3968867c Mon Sep 17 00:00:00 2001 From: erdgeist <> Date: Mon, 2 Apr 2007 17:26:40 +0000 Subject: Try to figure out nobodys uid und gid using getpwnam --- opentracker.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/opentracker.c b/opentracker.c index 2d2058b..f9dc48b 100644 --- a/opentracker.c +++ b/opentracker.c @@ -24,6 +24,7 @@ #include #include #include +#include #include "trackerlogic.h" #include "scan_urlencoded_query.h" @@ -736,6 +737,7 @@ static void ot_try_bind( char ip[4], uint16 port, int is_tcp ) { } int main( int argc, char **argv ) { + struct passwd *pws = NULL; char serverip[4] = {0,0,0,0}; char *serverdir = "."; int scanon = 1; @@ -759,8 +761,15 @@ int main( int argc, char **argv ) { ot_try_bind( serverip, 6969, 1 ); ot_try_bind( serverip, 6969, 0 ); } - setegid( (gid_t)-2 ); setuid( (uid_t)-2 ); - setgid( (gid_t)-2 ); seteuid( (uid_t)-2 ); + + pws = getpwnam( "nobody "); + if( !pws ) { + setegid( (gid_t)-2 ); setuid( (uid_t)-2 ); + setgid( (gid_t)-2 ); seteuid( (uid_t)-2 ); + } else { + setegid( pws->pw_gid ); setuid( pws->pw_uid ); + setgid( pws->pw_gid ); seteuid( pws->pw_uid ); + } signal( SIGPIPE, SIG_IGN ); signal( SIGINT, graceful ); -- cgit v1.2.3