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[svn-upgrade] Integrating new upstream version, shadow (19990827)

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This commit is contained in:
nekral-guest
2007-10-07 11:44:08 +00:00
parent 45c6603cc8
commit 446e664caa
71 changed files with 12874 additions and 3576 deletions
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62
libmisc/limits.c
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@ -35,7 +35,7 @@
#include <config.h>
#include "rcsid.h"
RCSID("$Id: limits.c,v 1.9 1999/03/07 19:14:39 marekm Exp $")
RCSID("$Id: limits.c,v 1.10 1999/08/27 19:02:51 marekm Exp $")
#include <sys/types.h>
#include <sys/stat.h>
@ -102,6 +102,20 @@ set_prio(const char *value)
}
static int
set_umask(const char *value)
{
mode_t mask;
char **endptr = (char **) &value;
mask = strtol(value, endptr, 8) & 0777;
if ((mask == 0) && (value == *endptr))
return 0;
umask(mask);
return 0;
}
/* Counts the number of user logins and check against the limit */
static int
check_logins(const char *name, const char *maxlogins)
@ -158,15 +172,16 @@ check_logins(const char *name, const char *maxlogins)
* [Aa]: a = RLIMIT_AS max address space (KB)
* [Cc]: c = RLIMIT_CORE max core file size (KB)
* [Dd]: d = RLIMIT_DATA max data size (KB)
* [Ff]: f = RLIMIT_FSIZE Maximum filesize (KB)
* [Ff]: f = RLIMIT_FSIZE max file size (KB)
* [Mm]: m = RLIMIT_MEMLOCK max locked-in-memory address space (KB)
* [Nn]: n = RLIMIT_NOFILE max number of open files
* [Rr]: r = RLIMIT_RSS max resident set size (KB)
* [Ss]: s = RLIMIT_STACK max stack size (KB)
* [Tt]: t = RLIMIT_CPU max CPU time (MIN)
* [Uu]: u = RLIMIT_NPROC max number of processes
* [Kk]: k = file creation masK (umask)
* [Ll]: l = max number of logins for this user
* [Pp]: p = process priority -20..20 (negative = high priority)
* [Pp]: p = process priority -20..20 (negative = high, positive = low)
*
* Return value:
* 0 = okay, of course
@ -254,6 +269,10 @@ do_user_limits(const char *buf, const char *name)
retval |= setrlimit_value(RLIMIT_STACK, pp, 1024);
break;
#endif
case 'k':
case 'K':
retval |= set_umask(pp);
break;
case 'l':
case 'L':
/* LIMIT the number of concurent logins */
@ -330,6 +349,27 @@ setup_user_limits(const char *uname)
}
#endif /* LIMITS */
static void
setup_usergroups(const struct passwd *info)
{
const struct group *grp;
mode_t oldmask;
/*
* if not root, and uid == gid, and username is the same as primary
* group name, set umask group bits to be the same as owner bits
* (examples: 022 -> 002, 077 -> 007).
*/
if (info->pw_uid != 0 && info->pw_uid == info->pw_gid) {
grp = getgrgid(info->pw_gid);
if (grp && (strcmp(info->pw_name, grp->gr_name) == 0)) {
oldmask = umask(0777);
umask((oldmask & ~070) | ((oldmask >> 3) & 070));
}
}
}
/*
* set the process nice, ulimit, and umask from the password file entry
*/
@ -341,16 +381,8 @@ setup_limits(const struct passwd *info)
int i;
long l;
#ifdef USERGROUPS
if (info->pw_uid != 0 && info->pw_uid == info->pw_gid) {
const struct group *grp;
grp = getgrgid(info->pw_gid);
if (grp && !strcmp(info->pw_name, grp->gr_name)) {
umask(umask(0) & ~070);
}
}
#endif
if (getdef_bool("USERGROUPS_ENAB"))
setup_usergroups(info);
/*
* See if the GECOS field contains values for NICE, UMASK or ULIMIT.
@ -358,9 +390,9 @@ setup_limits(const struct passwd *info)
* values the defaults for this login session.
*/
if ( getdef_bool("QUOTAS_ENAB") ) {
if (getdef_bool("QUOTAS_ENAB")) {
#ifdef LIMITS
if (info->pw_uid)
if (info->pw_uid != 0)
if (setup_user_limits(info->pw_name) & LOGIN_ERROR_LOGIN) {
fprintf(stderr, _("Too many logins.\n"));
sleep(2);