From 3409f2d5db068fa23d2344776412b86150352336 Mon Sep 17 00:00:00 2001
From: des <des@FreeBSD.org>
Date: Sun, 1 Jun 2003 12:54:03 +0000
Subject: Vendor import of OpenPAM Digitalis.

---
 contrib/openpam/bin/Makefile     |  4 ++--
 contrib/openpam/bin/Makefile.inc |  3 +++
 contrib/openpam/bin/su/Makefile  |  6 ++---
 contrib/openpam/bin/su/su.c      | 47 +++++++++++++++++++++++-----------------
 4 files changed, 35 insertions(+), 25 deletions(-)
 create mode 100644 contrib/openpam/bin/Makefile.inc

(limited to 'contrib/openpam/bin')

diff --git a/contrib/openpam/bin/Makefile b/contrib/openpam/bin/Makefile
index 57cc1be..75bb5ad 100644
--- a/contrib/openpam/bin/Makefile
+++ b/contrib/openpam/bin/Makefile
@@ -1,5 +1,5 @@
 #-
-# Copyright (c) 2002 Networks Associates Technology, Inc.
+# Copyright (c) 2002-2003 Networks Associates Technology, Inc.
 # All rights reserved.
 #
 # This software was developed for the FreeBSD Project by ThinkSec AS
@@ -32,7 +32,7 @@
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.
 #
-# $P4: //depot/projects/openpam/bin/Makefile#6 $
+# $P4: //depot/projects/openpam/bin/Makefile#7 $
 #
 
 SUBDIR		 =
diff --git a/contrib/openpam/bin/Makefile.inc b/contrib/openpam/bin/Makefile.inc
new file mode 100644
index 0000000..a368da3
--- /dev/null
+++ b/contrib/openpam/bin/Makefile.inc
@@ -0,0 +1,3 @@
+# $P4: //depot/projects/openpam/bin/Makefile.inc#1 $
+
+.include "../Makefile.inc"
diff --git a/contrib/openpam/bin/su/Makefile b/contrib/openpam/bin/su/Makefile
index c37e880..17a78a8 100644
--- a/contrib/openpam/bin/su/Makefile
+++ b/contrib/openpam/bin/su/Makefile
@@ -1,5 +1,5 @@
 #-
-# Copyright (c) 2002 Networks Associates Technology, Inc.
+# Copyright (c) 2002-2003 Networks Associates Technology, Inc.
 # All rights reserved.
 #
 # This software was developed for the FreeBSD Project by ThinkSec AS
@@ -32,13 +32,13 @@
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.
 #
-# $P4: //depot/projects/openpam/bin/su/Makefile#5 $
+# $P4: //depot/projects/openpam/bin/su/Makefile#8 $
 #
 
 PROG		 = su
 WARNS		?= 4
 CFLAGS		+= -I${.CURDIR}/../../include
-DPADD		 = ${.OBJDIR}/../../lib/libpam.so
+DPADD		 = ${.OBJDIR}/../../lib/libpam.a
 LDADD		 = -L${.OBJDIR}/../../lib -R${.OBJDIR}/../../lib -lpam
 NOMAN		 = YES
 
diff --git a/contrib/openpam/bin/su/su.c b/contrib/openpam/bin/su/su.c
index 0c8c45d..345d601 100644
--- a/contrib/openpam/bin/su/su.c
+++ b/contrib/openpam/bin/su/su.c
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2002 Networks Associates Technology, Inc.
+ * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
  * All rights reserved.
  *
  * This software was developed for the FreeBSD Project by ThinkSec AS and
@@ -31,13 +31,14 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $P4: //depot/projects/openpam/bin/su/su.c#8 $
+ * $P4: //depot/projects/openpam/bin/su/su.c#12 $
  */
 
 #include <sys/param.h>
 #include <sys/wait.h>
 
 #include <err.h>
+#include <grp.h>
 #include <pwd.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -81,9 +82,17 @@ main(int argc, char *argv[])
 	argc -= optind;
 	argv += optind;
 
+	if (argc > 0) {
+		user = *argv;
+		--argc;
+		++argv;
+	} else {
+		user = "root";
+	}
+
 	/* initialize PAM */
 	pamc.conv = &openpam_ttyconv;
-	pam_start("su", argc ? *argv : "root", &pamc, &pamh);
+	pam_start("su", user, &pamc, &pamh);
 
 	/* set some items */
 	gethostname(hostname, sizeof(hostname));
@@ -117,20 +126,6 @@ main(int argc, char *argv[])
 	if (pam_err != PAM_SUCCESS || (pwd = getpwnam(user)) == NULL)
 		goto pamerr;
 
-	/* set uid and groups */
-	if (initgroups(pwd->pw_name, pwd->pw_gid) == -1) {
-		warn("initgroups()");
-		goto err;
-	}
-	if (setgid(pwd->pw_gid) == -1) {
-		warn("setgid()");
-		goto err;
-	}
-	if (setuid(pwd->pw_uid) == -1) {
-		warn("setuid()");
-		goto err;
-	}
-
 	/* export PAM environment */
 	if ((pam_envlist = pam_getenvlist(pamh)) != NULL) {
 		for (pam_env = pam_envlist; *pam_env != NULL; ++pam_env) {
@@ -154,7 +149,21 @@ main(int argc, char *argv[])
 		warn("fork()");
 		goto err;
 	case 0:
-		/* child: start a shell */
+		/* child: give up privs and start a shell */
+
+		/* set uid and groups */
+		if (initgroups(pwd->pw_name, pwd->pw_gid) == -1) {
+			warn("initgroups()");
+			_exit(1);
+		}
+		if (setgid(pwd->pw_gid) == -1) {
+			warn("setgid()");
+			_exit(1);
+		}
+		if (setuid(pwd->pw_uid) == -1) {
+			warn("setuid()");
+			_exit(1);
+		}
 		execve(*args, args, environ);
 		warn("execve()");
 		_exit(1);
@@ -170,9 +179,7 @@ main(int argc, char *argv[])
 	}
 
 pamerr:
-	pam_end(pamh, pam_err);
 	fprintf(stderr, "Sorry\n");
-	exit(1);
 err:
 	pam_end(pamh, pam_err);
 	exit(1);
-- 
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