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100 lines
2.1 KiB
C++
100 lines
2.1 KiB
C++
/* vi: ts=8 sts=4 sw=4
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*
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* This file is part of the KDE project, module kdesu.
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* Copyright (C) 1999,2000 Geert Jansen <g.t.jansen@stud.tue.nl>
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*
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* secure.cpp: Peer credentials for a UNIX socket.
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*/
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#include "secure.h"
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#include <config-runtime.h>
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#include <config-kdesud.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/socket.h>
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#include <kdebug.h>
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// FIXME: This is just here to make it compile (since ksock* was removed from kdelibs).
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// It would be better to fix it more globally. (Caleb Tennis)
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typedef unsigned ksocklen_t;
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/**
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* Under Linux, Socket_security is supported.
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*/
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#if defined(HAVE_GETPEEREID)
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SocketSecurity::SocketSecurity(int sockfd) : pid(-1), gid(-1), uid(-1)
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{
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uid_t euid;
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gid_t egid;
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if (getpeereid(sockfd, &euid, &egid) == 0) {
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uid = euid;
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gid = egid;
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pid = -1;
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}
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}
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# elif defined(HAVE_GETPEERUCRED)
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#include <ucred.h>
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SocketSecurity::SocketSecurity(int sockfd) : pid(-1), gid(-1), uid(-1)
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{
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ucred_t *ucred = 0;
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if (getpeerucred(sockfd, &ucred) == 0) {
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uid = ucred_geteuid(ucred);
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gid = ucred_getrgid(ucred);
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pid = -1;
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ucred_free(ucred);
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}
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}
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#elif defined(SO_PEERCRED)
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SocketSecurity::SocketSecurity(int sockfd) : pid(-1), gid(-1), uid(-1)
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{
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ucred cred;
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ksocklen_t len = sizeof(struct ucred);
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if (getsockopt(sockfd, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0) {
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kError() << "getsockopt(SO_PEERCRED) " << perror << endl;
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return;
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}
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pid = cred.pid;
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gid = cred.gid;
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uid = cred.uid;
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}
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# else
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#ifdef __GNUC__
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#warning SocketSecurity support for your platform not implemented/available!
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#endif
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/**
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* The default version does nothing.
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*/
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SocketSecurity::SocketSecurity(int sockfd) : pid(-1), gid(-1), uid(-1)
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{
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static bool warned_him = false;
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if (!warned_him) {
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kWarning() << "Using void socket security. Please add support for your" ;
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kWarning() << "platform to kdesu/kdesud/secure.cpp" ;
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warned_him = true;
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}
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// This passes the test made in handler.cpp
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uid = getuid();
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}
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#endif
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