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Use login_progok().

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This commit is contained in:
Brian Somers 1997-08-27 20:11:16 +00:00
parent fbbe016b64
commit ce28475da5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=28842
3 changed files with 17 additions and 46 deletions
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41
usr.sbin/ppp/main.c
View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: main.c,v 1.72 1997/08/25 01:52:11 brian Exp $
* $Id: main.c,v 1.73 1997/08/26 23:20:11 brian Exp $
*
* TODO:
* o Add commands for traffic summary, version display, etc.
@ -38,8 +38,7 @@
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <sysexits.h>
#include <pwd.h>
#include <login_cap.h>
#include <libutil.h>
#include "modem.h"
#include "os.h"
#include "hdlc.h"
@ -320,40 +319,6 @@ Greetings()
}
}
static int
Runnable()
{
login_cap_t *lc;
const struct passwd *pwd;
char **data;
int result;
result = 1; /* return non-zero if I'm runnable */
pwd = getpwuid(getuid());
if (!pwd) {
perror("getpwuid");
return result; /* Run anyway - probably spawned from inetd or the like */
}
lc = login_getpwclass(pwd);
if (!lc) {
perror("login_getpwclass");
return result; /* Run anyway - We're missing login.conf ? */
}
data = login_getcaplist(lc, "prog.deny", NULL);
if (data)
for (; *data; data++)
if (!strcmp(*data, "ppp")) {
result = 0;
break;
}
login_close(lc);
return result; /* OK to run */
}
int
main(int argc, char **argv)
{
@ -373,7 +338,7 @@ main(int argc, char **argv)
if (!(mode & MODE_DIRECT))
VarTerm = stdout;
if (!Runnable()) {
if (!login_progok(getuid(), "/usr/sbin/ppp")) {
LogPrintf(LogERROR, "You do not have permission to execute ppp\n");
return EX_NOPERM;
}

11
usr.sbin/ppp/ppp.8
View File

@ -1,4 +1,4 @@
.\" $Id: ppp.8,v 1.57 1997/08/23 23:14:24 brian Exp $
.\" $Id: ppp.8,v 1.58 1997/08/26 23:20:16 brian Exp $
.Dd 20 September 1995
.Os FreeBSD
.Dt PPP 8
@ -131,13 +131,15 @@ stack (ie. Win95, WinNT)
.It Supports execution restriction.
If
.Nm
.Nm /usr/sbin/ppp
is specified in the
.Dv prog.deny
list in
.Pa /etc/login.conf ,
.Nm
will refuse to execute.
will refuse to execute. Refer to
.Xr login_progok 3
for further details.
.Sh GETTING STARTED
@ -2081,7 +2083,8 @@ Get port number if port number is using service name.
.Xr syslog 3 ,
.Xr syslog.conf 5 ,
.Xr syslogd 8 ,
.Xr login.conf 5
.Xr login.conf 5 ,
.Xr login_progok 3
.Sh HISTORY

11
usr.sbin/ppp/ppp.8.m4
View File

@ -1,4 +1,4 @@
.\" $Id: ppp.8,v 1.57 1997/08/23 23:14:24 brian Exp $
.\" $Id: ppp.8,v 1.58 1997/08/26 23:20:16 brian Exp $
.Dd 20 September 1995
.Os FreeBSD
.Dt PPP 8
@ -131,13 +131,15 @@ stack (ie. Win95, WinNT)
.It Supports execution restriction.
If
.Nm
.Nm /usr/sbin/ppp
is specified in the
.Dv prog.deny
list in
.Pa /etc/login.conf ,
.Nm
will refuse to execute.
will refuse to execute. Refer to
.Xr login_progok 3
for further details.
.Sh GETTING STARTED
@ -2081,7 +2083,8 @@ Get port number if port number is using service name.
.Xr syslog 3 ,
.Xr syslog.conf 5 ,
.Xr syslogd 8 ,
.Xr login.conf 5
.Xr login.conf 5 ,
.Xr login_progok 3
.Sh HISTORY