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Convert setuid/setgid users to xsetuid/xsetgid.

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This commit is contained in:
Rob Landley 2006-07-16 08:06:34 +00:00
parent 25c194fd19
commit afb94ecf2b
6 changed files with 12 additions and 16 deletions
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5
loginutils/passwd.c
View File

@ -227,10 +227,7 @@ int passwd_main(int argc, char **argv)
signal(SIGINT, SIG_IGN);
signal(SIGQUIT, SIG_IGN);
umask(077);
if (setuid(0)) {
syslog(LOG_ERR, "can't setuid(0)");
bb_error_msg_and_die( "Cannot change ID to root.\n");
}
xsetuid(0);
if (!update_passwd(pw, crypt_passwd)) {
syslog(LOG_INFO, "password for `%s' changed by user `%s'", name,
myname);

3
networking/arping.c
View File

@ -262,7 +262,8 @@ int arping_main(int argc, char **argv)
s = socket(PF_PACKET, SOCK_DGRAM, 0);
ifindex = errno;
setuid(getuid());
// Drop suid root privileges
xsetuid(getuid());
{
unsigned long opt;

2
networking/ether-wake.c
View File

@ -145,7 +145,7 @@ int etherwake_main(int argc, char *argv[])
s = make_socket();
/* now that we have a raw socket we can drop root */
setuid(getuid());
xsetuid(getuid());
/* look up the dest mac address */
get_dest_addr(argv[optind], &eaddr);

4
networking/fakeidentd.c
View File

@ -159,8 +159,8 @@ static int godaemon(void)
close(0);
inetbind();
if (setgid(nogrp)) bb_error_msg_and_die("Could not setgid()");
if (setuid(nobody)) bb_error_msg_and_die("Could not setuid()");
xsetgid(nogrp);
xsetuid(nobody);
close(1);
close(2);

6
networking/inetd.c
View File

@ -1513,11 +1513,11 @@ inetd_main (int argc, char *argv[])
if (sep->se_group) {
pwd->pw_gid = grp->gr_gid;
}
setgid ((gid_t) pwd->pw_gid);
xsetgid ((gid_t) pwd->pw_gid);
initgroups (pwd->pw_name, pwd->pw_gid);
setuid ((uid_t) pwd->pw_uid);
xsetuid((uid_t) pwd->pw_uid);
} else if (sep->se_group) {
setgid (grp->gr_gid);
xsetgid(grp->gr_gid);
setgroups (1, &grp->gr_gid);
}
dup2 (ctrl, 0);

8
networking/traceroute.c
View File

@ -941,7 +941,6 @@ traceroute_main(int argc, char *argv[])
#endif
u_short off = 0;
struct IFADDRLIST *al;
int uid = getuid();
char *device = NULL;
int max_ttl = 30;
char *max_ttl_str = NULL;
@ -1010,8 +1009,7 @@ traceroute_main(int argc, char *argv[])
* set the ip source address of the outbound
* probe (e.g., on a multi-homed host).
*/
if (uid)
bb_error_msg_and_die("-s %s: Permission denied", source);
if (getuid()) bb_error_msg_and_die("-s %s: Permission denied", source);
}
if(waittime_str)
waittime = str2val(waittime_str, "wait time", 2, 24 * 60 * 60);
@ -1160,8 +1158,8 @@ traceroute_main(int argc, char *argv[])
sizeof(on));
/* Revert to non-privileged user after opening sockets */
setgid(getgid());
setuid(uid);
xsetgid(getgid());
xsetuid(getuid());
outip = (struct ip *)xcalloc(1, (unsigned)packlen);