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Try to figure out nobodys uid und gid using getpwnam

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erdgeist 2007-04-02 17:26:40 +00:00
parent ff9d51790b
commit bd4617a911
1 changed files with 11 additions and 2 deletions
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9
opentracker.c
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@ -24,6 +24,7 @@
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <pwd.h>
#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 );
}
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 );