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- (djm) Fixup for AIX getuserattr() support from Tom Bertelson

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<tbert@abac.com>
This commit is contained in:
Damien Miller 2000-07-11 09:16:22 +10:00
parent 39c0a1c4c2
commit 65964d6082
2 changed files with 42 additions and 10 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
20000711
- (djm) Fixup for AIX getuserattr() support from Tom Bertelson
<tbert@abac.com>
20000709
- (djm) Only enable PAM_TTY kludge for Linux. Problem report from
Kevin Steves <stevesk@sweden.hp.com>

48
session.c
View File

@ -799,24 +799,52 @@ void do_pam_environment(char ***env, int *envsize)
void set_limit(char *user, char *soft, char *hard, int resource, int mult)
{
struct rlimit rlim;
rlim_t tlim;
int mask;
int slim, hlim;
getrlimit(resource, &rlim);
tlim = (rlim_t) 0;
if (getuserattr(user, soft, &tlim, SEC_INT) != -1 && tlim)
rlim.rlim_cur = tlim * mult;
slim = 0;
if (getuserattr(user, soft, &slim, SEC_INT) != -1) {
if (slim < 0) {
rlim.rlim_cur = RLIM_INFINITY;
} else if (slim != 0) {
/* See the wackiness below */
if (rlim.rlim_cur == slim * mult)
slim = 0;
else
rlim.rlim_cur = slim * mult;
}
}
tlim = (rlim_t) 0;
if (getuserattr(user, hard, &tlim, SEC_INT) != -1 && tlim)
rlim.rlim_max = tlim * mult;
hlim = 0;
if (getuserattr(user, hard, &hlim, SEC_INT) != -1) {
if (hlim < 0) {
rlim.rlim_max = RLIM_INFINITY;
} else if (hlim != 0) {
rlim.rlim_max = hlim * mult;
}
}
if (rlim.rlim_cur > rlim.rlim_max)
/*
* XXX For cpu and fsize the soft limit is set to the hard limit
* if the hard limit is left at its default value and the soft limit
* is changed from its default value, either by requesting it
* (slim == 0) or by setting it to the current default. At least
* that's how rlogind does it. If you're confused you're not alone.
* Bug or feature? AIX 4.3.1.2
*/
if ((!strcmp(soft, "fsize") || !strcmp(soft, "cpu"))
&& hlim == 0 && slim != 0)
rlim.rlim_max = rlim.rlim_cur;
/* A specified hard limit limits the soft limit */
else if (hlim > 0 && rlim.rlim_cur > rlim.rlim_max)
rlim.rlim_cur = rlim.rlim_max;
/* A soft limit can increase a hard limit */
else if (rlim.rlim_cur > rlim.rlim_max)
rlim.rlim_max = rlim.rlim_cur;
if (setrlimit(resource, &rlim) != 0)
error("setrlimit(%.10s) failed: %.100s", soft, strerror(errno))
error("setrlimit(%.10s) failed: %.100s", soft, strerror(errno));
}
void set_limits_from_userattr(char *user)