- (bal) Migrated AIX getuserattr and usrinfo code to
openbsd-compat/port-aix.[c] to improve readilbity of do_child() and simplify our diffs against upstream source.
This commit is contained in:
Ben Lindstrom
parent
f095a85882
commit
a9c039cf04
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@ -43,8 +43,11 @@
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- deraadt@cvs.openbsd.org 2002/02/19 02:50:59
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[sshd_config]
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stategy is not an english word
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- (bal) Migrate IRIX jobs/projects/audit/etc code to
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- (bal) Migrated IRIX jobs/projects/audit/etc code to
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openbsd-compat/port-irix.[ch] to improve readiblity of do_child()
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- (bal) Migrated AIX getuserattr and usrinfo code to
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openbsd-compat/port-aix.[c] to improve readilbity of do_child() and
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simplify our diffs against upstream source.
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20020218
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- (tim) newer config.guess from ftp://ftp.gnu.org/gnu/config/config.guess
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@ -7642,4 +7645,4 @@
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- Wrote replacements for strlcpy and mkdtemp
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- Released 1.0pre1
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$Id: ChangeLog,v 1.1866 2002/02/19 20:02:48 mouring Exp $
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$Id: ChangeLog,v 1.1867 2002/02/19 20:27:55 mouring Exp $
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@ -1,4 +1,4 @@
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# $Id: Makefile.in,v 1.20 2002/02/19 20:02:49 mouring Exp $
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# $Id: Makefile.in,v 1.21 2002/02/19 20:27:57 mouring Exp $
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sysconfdir=@sysconfdir@
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piddir=@piddir@
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@ -20,7 +20,7 @@ OPENBSD=base64.o bindresvport.o daemon.o dirname.o getcwd.o getgrouplist.o getop
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COMPAT=bsd-arc4random.o bsd-cray.o bsd-cygwin_util.o bsd-misc.o bsd-nextstep.o bsd-snprintf.o bsd-waitpid.o fake-getaddrinfo.o fake-getnameinfo.o
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PORTS=port-irix.o
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PORTS=port-irix.o port-aix.o
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.c.o:
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$(CC) $(CFLAGS) $(CPPFLAGS) -c $<
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@ -1,4 +1,4 @@
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/* $Id: openbsd-compat.h,v 1.15 2002/02/19 20:02:49 mouring Exp $ */
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/* $Id: openbsd-compat.h,v 1.16 2002/02/19 20:27:57 mouring Exp $ */
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#ifndef _OPENBSD_H
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#define _OPENBSD_H
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@ -41,5 +41,6 @@
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/* Routines for a single OS platform */
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#include "bsd-cray.h"
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#include "port-irix.h"
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#include "port-aix.h"
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#endif /* _OPENBSD_H */
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@ -0,0 +1,122 @@
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#include "includes.h"
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#ifdef _AIX
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#include <uinfo.h>
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/* AIX limits */
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#if defined(HAVE_GETUSERATTR) && !defined(S_UFSIZE_HARD) && defined(S_UFSIZE)
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# define S_UFSIZE_HARD S_UFSIZE "_hard"
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# define S_UCPU_HARD S_UCPU "_hard"
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# define S_UDATA_HARD S_UDATA "_hard"
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# define S_USTACK_HARD S_USTACK "_hard"
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# define S_URSS_HARD S_URSS "_hard"
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# define S_UCORE_HARD S_UCORE "_hard"
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# define S_UNOFILE_HARD S_UNOFILE "_hard"
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#endif
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#if defined(HAVE_GETUSERATTR)
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/*
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* AIX-specific login initialisation
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*/
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void
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set_limit(char *user, char *soft, char *hard, int resource, int mult)
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{
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struct rlimit rlim;
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int slim, hlim;
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getrlimit(resource, &rlim);
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slim = 0;
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if (getuserattr(user, soft, &slim, SEC_INT) != -1) {
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if (slim < 0) {
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rlim.rlim_cur = RLIM_INFINITY;
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} else if (slim != 0) {
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/* See the wackiness below */
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if (rlim.rlim_cur == slim * mult)
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slim = 0;
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else
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rlim.rlim_cur = slim * mult;
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}
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}
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hlim = 0;
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if (getuserattr(user, hard, &hlim, SEC_INT) != -1) {
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if (hlim < 0) {
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rlim.rlim_max = RLIM_INFINITY;
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} else if (hlim != 0) {
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rlim.rlim_max = hlim * mult;
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}
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}
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/*
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* XXX For cpu and fsize the soft limit is set to the hard limit
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* if the hard limit is left at its default value and the soft limit
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* is changed from its default value, either by requesting it
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* (slim == 0) or by setting it to the current default. At least
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* that's how rlogind does it. If you're confused you're not alone.
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* Bug or feature? AIX 4.3.1.2
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*/
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if ((!strcmp(soft, "fsize") || !strcmp(soft, "cpu"))
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&& hlim == 0 && slim != 0)
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rlim.rlim_max = rlim.rlim_cur;
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/* A specified hard limit limits the soft limit */
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else if (hlim > 0 && rlim.rlim_cur > rlim.rlim_max)
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rlim.rlim_cur = rlim.rlim_max;
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/* A soft limit can increase a hard limit */
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else if (rlim.rlim_cur > rlim.rlim_max)
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rlim.rlim_max = rlim.rlim_cur;
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if (setrlimit(resource, &rlim) != 0)
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error("setrlimit(%.10s) failed: %.100s", soft, strerror(errno));
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}
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void
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set_limits_from_userattr(char *user)
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{
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int mask;
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char buf[16];
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set_limit(user, S_UFSIZE, S_UFSIZE_HARD, RLIMIT_FSIZE, 512);
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set_limit(user, S_UCPU, S_UCPU_HARD, RLIMIT_CPU, 1);
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set_limit(user, S_UDATA, S_UDATA_HARD, RLIMIT_DATA, 512);
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set_limit(user, S_USTACK, S_USTACK_HARD, RLIMIT_STACK, 512);
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set_limit(user, S_URSS, S_URSS_HARD, RLIMIT_RSS, 512);
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set_limit(user, S_UCORE, S_UCORE_HARD, RLIMIT_CORE, 512);
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#if defined(S_UNOFILE)
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set_limit(user, S_UNOFILE, S_UNOFILE_HARD, RLIMIT_NOFILE, 1);
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#endif
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if (getuserattr(user, S_UMASK, &mask, SEC_INT) != -1) {
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/* Convert decimal to octal */
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(void) snprintf(buf, sizeof(buf), "%d", mask);
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if (sscanf(buf, "%o", &mask) == 1)
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umask(mask);
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}
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}
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#endif /* defined(HAVE_GETUSERATTR) */
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/*
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* AIX has a "usrinfo" area where logname and
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* other stuff is stored - a few applications
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* actually use this and die if it's not set
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*/
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void
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aix_usrinfo(Session *s)
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{
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struct passwd *pw = s->pw;
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u_int i;
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const char *cp=NULL;
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if (s->ttyfd == -1)
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s->tty[0] = '\0';
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cp = xmalloc(22 + strlen(s->tty) + 2 * strlen(pw->pw_name));
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i = sprintf(cp, "LOGNAME=%s%cNAME=%s%cTTY=%s%c%c", pw->pw_name, 0,
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pw->pw_name, 0, s->tty, 0, 0);
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if (usrinfo(SETUINFO, cp, i) == -1)
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fatal("Couldn't set usrinfo: %s", strerror(errno));
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debug3("AIX/UsrInfo: set len %d", i);
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xfree(cp);
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}
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#endif /* _AIX */
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@ -0,0 +1,10 @@
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#ifdef _AIX
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#ifdef HAVE_GETUSERATTR
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void set_limit(char *user, char *soft, char *hard, int resource, int mult);
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void set_limits_from_userattr(char *user);
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#endif /* HAVE_GETUSERATTR */
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void aix_usrinfo(Session *s);
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#endif /* _AIX */
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111
session.c
111
session.c
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@ -67,21 +67,6 @@ RCSID("$OpenBSD: session.c,v 1.126 2002/02/14 23:28:00 markus Exp $");
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#define is_winnt (GetVersion() < 0x80000000)
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#endif
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/* AIX limits */
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#if defined(HAVE_GETUSERATTR) && !defined(S_UFSIZE_HARD) && defined(S_UFSIZE)
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# define S_UFSIZE_HARD S_UFSIZE "_hard"
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# define S_UCPU_HARD S_UCPU "_hard"
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# define S_UDATA_HARD S_UDATA "_hard"
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# define S_USTACK_HARD S_USTACK "_hard"
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# define S_URSS_HARD S_URSS "_hard"
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# define S_UCORE_HARD S_UCORE "_hard"
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# define S_UNOFILE_HARD S_UNOFILE "_hard"
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#endif
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#ifdef _AIX
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# include <uinfo.h>
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#endif
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/* types */
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#define TTYSZ 64
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@ -898,85 +883,6 @@ void copy_environment(char **source, char ***env, u_int *envsize)
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}
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}
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#if defined(HAVE_GETUSERATTR)
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/*
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* AIX-specific login initialisation
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*/
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void set_limit(char *user, char *soft, char *hard, int resource, int mult)
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{
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struct rlimit rlim;
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int slim, hlim;
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getrlimit(resource, &rlim);
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slim = 0;
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if (getuserattr(user, soft, &slim, SEC_INT) != -1) {
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if (slim < 0) {
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rlim.rlim_cur = RLIM_INFINITY;
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} else if (slim != 0) {
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/* See the wackiness below */
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if (rlim.rlim_cur == slim * mult)
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slim = 0;
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else
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rlim.rlim_cur = slim * mult;
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}
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}
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hlim = 0;
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if (getuserattr(user, hard, &hlim, SEC_INT) != -1) {
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if (hlim < 0) {
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rlim.rlim_max = RLIM_INFINITY;
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} else if (hlim != 0) {
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rlim.rlim_max = hlim * mult;
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}
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}
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/*
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* XXX For cpu and fsize the soft limit is set to the hard limit
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* if the hard limit is left at its default value and the soft limit
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* is changed from its default value, either by requesting it
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* (slim == 0) or by setting it to the current default. At least
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* that's how rlogind does it. If you're confused you're not alone.
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* Bug or feature? AIX 4.3.1.2
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*/
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if ((!strcmp(soft, "fsize") || !strcmp(soft, "cpu"))
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&& hlim == 0 && slim != 0)
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rlim.rlim_max = rlim.rlim_cur;
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/* A specified hard limit limits the soft limit */
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else if (hlim > 0 && rlim.rlim_cur > rlim.rlim_max)
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rlim.rlim_cur = rlim.rlim_max;
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/* A soft limit can increase a hard limit */
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else if (rlim.rlim_cur > rlim.rlim_max)
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rlim.rlim_max = rlim.rlim_cur;
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if (setrlimit(resource, &rlim) != 0)
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error("setrlimit(%.10s) failed: %.100s", soft, strerror(errno));
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}
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void set_limits_from_userattr(char *user)
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{
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int mask;
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char buf[16];
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set_limit(user, S_UFSIZE, S_UFSIZE_HARD, RLIMIT_FSIZE, 512);
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set_limit(user, S_UCPU, S_UCPU_HARD, RLIMIT_CPU, 1);
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set_limit(user, S_UDATA, S_UDATA_HARD, RLIMIT_DATA, 512);
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set_limit(user, S_USTACK, S_USTACK_HARD, RLIMIT_STACK, 512);
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set_limit(user, S_URSS, S_URSS_HARD, RLIMIT_RSS, 512);
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set_limit(user, S_UCORE, S_UCORE_HARD, RLIMIT_CORE, 512);
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#if defined(S_UNOFILE)
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set_limit(user, S_UNOFILE, S_UNOFILE_HARD, RLIMIT_NOFILE, 1);
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#endif
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if (getuserattr(user, S_UMASK, &mask, SEC_INT) != -1) {
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/* Convert decimal to octal */
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(void) snprintf(buf, sizeof(buf), "%d", mask);
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if (sscanf(buf, "%o", &mask) == 1)
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umask(mask);
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}
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}
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#endif /* defined(HAVE_GETUSERATTR) */
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/*
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* Performs common processing for the child, such as setting up the
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* environment, closing extra file descriptors, setting the user and group
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@ -1082,22 +988,7 @@ do_child(Session *s, const char *command)
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irix_setusercontext(pw);
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# endif /* defined(WITH_IRIX_PROJECT) || defined(WITH_IRIX_JOBS) || defined(WITH_IRIX_ARRAY) */
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#ifdef _AIX
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/*
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* AIX has a "usrinfo" area where logname and
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* other stuff is stored - a few applications
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* actually use this and die if it's not set
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*/
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if (s->ttyfd == -1)
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s->tty[0] = '\0';
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cp = xmalloc(22 + strlen(s->tty) +
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2 * strlen(pw->pw_name));
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i = sprintf(cp, "LOGNAME=%s%cNAME=%s%cTTY=%s%c%c",
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pw->pw_name, 0, pw->pw_name, 0, s->tty, 0, 0);
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if (usrinfo(SETUINFO, cp, i) == -1)
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fatal("Couldn't set usrinfo: %s",
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strerror(errno));
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debug3("AIX/UsrInfo: set len %d", i);
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xfree(cp);
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aix_usrinfo(s)
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#endif
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/* Permanently switch to the desired uid. */
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