Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

24 files changed, 2016 insertions, 0 deletions

diff --git a/testsuite/smbd/Makefile.se_access_check b/testsuite/smbd/Makefile.se_access_check
new file mode 100644
index 0000000..5637fa2
--- /dev/null
+++ b/testsuite/smbd/Makefile.se_access_check
@@ -0,0 +1,24 @@
+#
+# Makefile for se_access_check tests
+#
+
+include ../../source/Makefile
+
+# Objects common to all tests
+
+SE_ACCESS_CHECK_OBJ1 = $(LIB_OBJ) $(UBIQX_OBJ) $(PARAM_OBJ) $(RPC_PARSE_OBJ) \
+	$(LIBSMB_OBJ) lib/util_seaccess.o nsswitch/common.o
+
+SE_ACCESS_CHECK_OBJS = $(SE_ACCESS_CHECK_OBJ1:%=$(srcdir)/%) \
+	se_access_check_utils.o
+
+# Targets for individual tests
+
+se_access_check_nullsd: $(SE_ACCESS_CHECK_OBJS) se_access_check_nullsd.o
+se_access_check_everyone: $(SE_ACCESS_CHECK_OBJS) se_access_check_everyone.o
+se_access_check_allowall: $(SE_ACCESS_CHECK_OBJS) se_access_check_allowall.o
+se_access_check_denyall: $(SE_ACCESS_CHECK_OBJS) se_access_check_denyall.o
+se_access_check_allowsome: $(SE_ACCESS_CHECK_OBJS) se_access_check_allowsome.o
+se_access_check_denysome: $(SE_ACCESS_CHECK_OBJS) se_access_check_denysome.o
+se_access_check_empty: $(SE_ACCESS_CHECK_OBJS) se_access_check_empty.o
+se_access_check_printer: $(SE_ACCESS_CHECK_OBJS) se_access_check_printer.o
diff --git a/testsuite/smbd/Makefile.sec_ctx b/testsuite/smbd/Makefile.sec_ctx
new file mode 100644
index 0000000..c45ab5b
--- /dev/null
+++ b/testsuite/smbd/Makefile.sec_ctx
@@ -0,0 +1,57 @@
+#
+# Makefile for sec_ctx tests
+#
+
+include ../../source/Makefile
+
+# Objects common to all tests
+
+SEC_CTX_OBJ1 = $(RPC_CLIENT_OBJ) $(LIB_OBJ) $(RPC_PARSE_OBJ) $(PARAM_OBJ) \
+	$(LIBSMB_OBJ) $(PASSDB_OBJ) $(UBIQX_OBJ) smbd/password.o smbd/uid.o \
+	smbd/chgpasswd.o smbd/sec_ctx.o
+
+SEC_CTX_OBJS = $(SEC_CTX_OBJ1:%=$(srcdir)/%) sec_ctx_utils.o
+
+# Targets for tests
+
+SEC_CTX_NONROOT_OBJS = $(SEC_CTX_OBJS) sec_ctx_nonroot.o
+
+sec_ctx_nonroot: $(SEC_CTX_NONROOT_OBJS)
+	@echo Linking $@
+	@$(CC) $(FLAGS) -o $@ $(SEC_CTX_NONROOT_OBJS) $(LIBS)
+
+SEC_CTX_STACK_OBJS = $(SEC_CTX_OBJS) sec_ctx_stack.o
+
+sec_ctx_stack: $(SEC_CTX_STACK_OBJS)
+	@echo Linking $@
+	@$(CC) $(FLAGS) -o $@ $(SEC_CTX_STACK_OBJS) $(LIBS)
+
+SEC_CTX_FLOW_OBJS = $(SEC_CTX_OBJS) sec_ctx_flow.o
+
+sec_ctx_flow: $(SEC_CTX_FLOW_OBJS)
+	@echo Linking $@
+	@$(CC) $(FLAGS) -o $@ $(SEC_CTX_FLOW_OBJS) $(LIBS)
+
+SEC_CTX_TORTURE_OBJS = $(SEC_CTX_OBJS) sec_ctx_torture.o
+
+sec_ctx_torture: $(SEC_CTX_TORTURE_OBJS)
+	@echo Linking $@
+	@$(CC) $(FLAGS) -o $@ $(SEC_CTX_TORTURE_OBJS) $(LIBS)
+
+SEC_CTX_CURRENT_USER_OBJS = $(SEC_CTX_OBJS) sec_ctx_current_user.o
+
+sec_ctx_current_user: $(SEC_CTX_CURRENT_USER_OBJS)
+	@echo Linking $@
+	@$(CC) $(FLAGS) -o $@ $(SEC_CTX_CURRENT_USER_OBJS) $(LIBS)
+
+SEC_CTX_GROUPS_OBJS = $(SEC_CTX_OBJS) sec_ctx_groups.o
+
+sec_ctx_groups: $(SEC_CTX_GROUPS_OBJS)
+	@echo Linking $@
+	@$(CC) $(FLAGS) -o $@ $(SEC_CTX_GROUPS_OBJS) $(LIBS)
+
+SEC_CTX_ROOT_OBJS = $(SEC_CTX_OBJS) sec_ctx_root.o
+
+sec_ctx_root: $(SEC_CTX_ROOT_OBJS)
+	@echo Linking $@
+	@$(CC) $(FLAGS) -o $@ $(SEC_CTX_ROOT_OBJS) $(LIBS)
diff --git a/testsuite/smbd/se_access_check.exp b/testsuite/smbd/se_access_check.exp
new file mode 100644
index 0000000..a8d92cf
--- /dev/null
+++ b/testsuite/smbd/se_access_check.exp
@@ -0,0 +1,53 @@
+#
+# @(#) Test se_access_check() function
+#
+
+#
+# Unix SMB/Netbios implementation.
+# Copyright (C) Tim Potter 2000
+#   
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#   
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#   
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+#
+
+load_lib "compile.exp"
+load_lib "util-defs.exp"
+
+# Run tests from C source files
+
+set se_access_check_tests [list \
+  	{ "null security descriptor" "se_access_check_nullsd" } \
+  	{ "security descriptor allow everyone" "se_access_check_allowall" } \
+  	{ "security descriptor allow everyone" "se_access_check_allowall" } \
+  	{ "security descriptor deny everyone" "se_access_check_denyall" } \
+  	{ "empty security descriptor" "se_access_check_empty" } \
+	{ "allow some users access" "se_access_check_allowsome" } \
+	{ "deny some users access" "se_access_check_denysome" } \
+	{ "printer access permissions" "se_access_check_printer" } \
+	]
+
+foreach { test } $se_access_check_tests {
+    set test_desc [lindex $test 0]
+    set test_file [lindex $test 1]
+
+    simple_make "se_access_check" $test_file
+    set output [util_start "$srcdir/$subdir/$test_file" ]
+
+    if { [regexp "PASS" $output] } {
+        pass $test_desc
+        file delete "$srcdir/$subdir/$test_file" "$srcdir/$subdir/$test_file.o"
+    } else {
+        fail $test_desc
+        puts $output
+    }
+}
diff --git a/testsuite/smbd/se_access_check_allowall.c b/testsuite/smbd/se_access_check_allowall.c
new file mode 100644
index 0000000..74b9a37
--- /dev/null
+++ b/testsuite/smbd/se_access_check_allowall.c
@@ -0,0 +1,86 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "se_access_check_utils.h"
+
+/* Globals */
+
+BOOL failed;
+SEC_DESC *sd;
+
+struct ace_entry acl_allowall[] = {
+	{ SEC_ACE_TYPE_ACCESS_ALLOWED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  GENERIC_ALL_ACCESS, "S-1-1-0" },
+	{ 0, 0, 0, NULL}
+};
+
+/* Check that access is always allowed for a NULL security descriptor */
+
+BOOL allowall_check(struct passwd *pw, int ngroups, gid_t *groups)
+{
+	uint32 acc_granted, status;
+	BOOL result;
+
+	result = se_access_check(sd, pw->pw_uid, pw->pw_gid,
+				 ngroups, groups, 
+				 SEC_RIGHTS_MAXIMUM_ALLOWED,
+				 &acc_granted, &status);
+	
+	if (!result || status != NT_STATUS_NO_PROBLEMO ||
+	    acc_granted != GENERIC_ALL_ACCESS) {
+		printf("FAIL: allowall se_access_check %d/%d\n",
+		       pw->pw_uid, pw->pw_gid);
+		failed = True;
+	}
+	
+	return True;
+}
+
+/* Main function */
+
+int main(int argc, char **argv)
+{
+	/* Initialisation */
+
+	generate_wellknown_sids();
+
+	/* Create security descriptor */
+
+	sd = build_sec_desc(acl_allowall, NULL, NULL_SID, NULL_SID);
+
+	if (!sd) {
+		printf("FAIL: could not build security descriptor\n");
+		return 1;
+	}
+
+	/* Run test */
+
+	visit_pwdb(allowall_check);
+
+	/* Return */
+
+        if (!failed) {
+		printf("PASS\n");
+		return 0;
+	} 
+
+	return 1;
+}
diff --git a/testsuite/smbd/se_access_check_allowsome.c b/testsuite/smbd/se_access_check_allowsome.c
new file mode 100644
index 0000000..1394d5f
--- /dev/null
+++ b/testsuite/smbd/se_access_check_allowsome.c
@@ -0,0 +1,103 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "se_access_check_utils.h"
+
+/* Globals */
+
+BOOL failed;
+SEC_DESC *sd;
+
+struct ace_entry acl_allowsome[] = {
+	{ SEC_ACE_TYPE_ACCESS_ALLOWED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  GENERIC_ALL_ACCESS, "user0" },
+	{ SEC_ACE_TYPE_ACCESS_ALLOWED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  GENERIC_ALL_ACCESS, "user2" },
+	{ 0, 0, 0, NULL}
+};
+
+BOOL allowsome_check(struct passwd *pw, int ngroups, gid_t *groups)
+{
+	uint32 acc_granted, status;
+	fstring name;
+	BOOL result;
+	int len1, len2;
+
+	/* Check only user0 and user2 allowed access */
+
+	result = se_access_check(sd, pw->pw_uid, pw->pw_gid,
+				 ngroups, groups, 
+				 SEC_RIGHTS_MAXIMUM_ALLOWED,
+				 &acc_granted, &status);
+	
+	len1 = (int)strlen(pw->pw_name) - strlen("user0");
+	len2 = (int)strlen(pw->pw_name) - strlen("user2");
+
+	if ((strncmp("user0", &pw->pw_name[MAX(len1, 0)], 
+		     strlen("user0")) == 0) ||
+	    (strncmp("user2", &pw->pw_name[MAX(len2, 0)], 
+		     strlen("user2")) == 0)) {
+		if (!result || acc_granted != GENERIC_ALL_ACCESS) {
+			printf("FAIL: access not granted for %s\n",
+			       pw->pw_name);
+		}
+	} else {
+		if (result || acc_granted != 0) {
+			printf("FAIL: access granted for %s\n", pw->pw_name);
+		}
+	}
+
+	printf("result %s for user %s\n", result ? "allowed" : "denied",
+	       pw->pw_name);
+
+	return True;
+}
+
+/* Main function */
+
+int main(int argc, char **argv)
+{
+	/* Initialisation */
+
+	generate_wellknown_sids();
+
+	/* Create security descriptor */
+
+	sd = build_sec_desc(acl_allowsome, NULL, NULL_SID, NULL_SID);
+
+	if (!sd) {
+		printf("FAIL: could not build security descriptor\n");
+		return 1;
+	}
+
+	/* Run test */
+
+	visit_pwdb(allowsome_check);
+
+	/* Return */
+
+        if (!failed) {
+		printf("PASS\n");
+		return 0;
+	} 
+
+	return 1;
+}
diff --git a/testsuite/smbd/se_access_check_denyall.c b/testsuite/smbd/se_access_check_denyall.c
new file mode 100644
index 0000000..efec172
--- /dev/null
+++ b/testsuite/smbd/se_access_check_denyall.c
@@ -0,0 +1,85 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "se_access_check_utils.h"
+
+/* Globals */
+
+BOOL failed;
+SEC_DESC *sd;
+
+struct ace_entry acl_denyall[] = {
+	{ SEC_ACE_TYPE_ACCESS_DENIED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  GENERIC_ALL_ACCESS, "S-1-1-0" },
+	{ 0, 0, 0, NULL}
+};
+
+/* Check that access is always allowed for a NULL security descriptor */
+
+BOOL denyall_check(struct passwd *pw, int ngroups, gid_t *groups)
+{
+	uint32 acc_granted, status;
+	BOOL result;
+
+	result = se_access_check(sd, pw->pw_uid, pw->pw_gid,
+				 ngroups, groups, 
+				 SEC_RIGHTS_MAXIMUM_ALLOWED,
+				 &acc_granted, &status);
+	
+	if (result || acc_granted != 0) {
+		printf("FAIL: denyall se_access_check %d/%d\n",
+		       pw->pw_uid, pw->pw_gid);
+		failed = True;
+	}
+
+	return True;
+}
+
+/* Main function */
+
+int main(int argc, char **argv)
+{
+	/* Initialisation */
+
+	generate_wellknown_sids();
+
+	/* Create security descriptor */
+
+	sd = build_sec_desc(acl_denyall, NULL, NULL_SID, NULL_SID);
+
+	if (!sd) {
+		printf("FAIL: could not build security descriptor\n");
+		return 1;
+	}
+
+	/* Run test */
+
+	visit_pwdb(denyall_check);
+
+	/* Return */
+
+        if (!failed) {
+		printf("PASS\n");
+		return 0;
+	} 
+
+	return 1;
+}
diff --git a/testsuite/smbd/se_access_check_denysome.c b/testsuite/smbd/se_access_check_denysome.c
new file mode 100644
index 0000000..e690e1a
--- /dev/null
+++ b/testsuite/smbd/se_access_check_denysome.c
@@ -0,0 +1,105 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "se_access_check_utils.h"
+
+/* Globals */
+
+BOOL failed;
+SEC_DESC *sd;
+
+struct ace_entry acl_denysome[] = {
+	{ SEC_ACE_TYPE_ACCESS_DENIED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  GENERIC_ALL_ACCESS, "user1" },
+	{ SEC_ACE_TYPE_ACCESS_DENIED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  GENERIC_ALL_ACCESS, "user3" },
+	{ SEC_ACE_TYPE_ACCESS_ALLOWED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  GENERIC_ALL_ACCESS, "S-1-1-0" },
+	{ 0, 0, 0, NULL}
+};
+
+BOOL denysome_check(struct passwd *pw, int ngroups, gid_t *groups)
+{
+	uint32 acc_granted, status;
+	fstring name;
+	BOOL result;
+	int len1, len2;
+
+	/* Check only user1 and user3 denied access */
+
+	result = se_access_check(sd, pw->pw_uid, pw->pw_gid,
+				 ngroups, groups, 
+				 SEC_RIGHTS_MAXIMUM_ALLOWED,
+				 &acc_granted, &status);
+	
+	len1 = (int)strlen(pw->pw_name) - strlen("user1");
+	len2 = (int)strlen(pw->pw_name) - strlen("user3");
+
+	if ((strncmp("user1", &pw->pw_name[MAX(len1, 0)], 
+		     strlen("user1")) == 0) ||
+	    (strncmp("user3", &pw->pw_name[MAX(len2, 0)], 
+		     strlen("user3")) == 0)) {
+		if (result || acc_granted != 0) {
+			printf("FAIL: access not denied for %s\n",
+			       pw->pw_name);
+		}
+	} else {
+		if (!result || acc_granted != GENERIC_ALL_ACCESS) {
+			printf("FAIL: access denied for %s\n", pw->pw_name);
+		}
+	}
+
+	printf("result %s for user %s\n", result ? "allowed" : "denied",
+	       pw->pw_name);
+
+	return True;
+}
+
+/* Main function */
+
+int main(int argc, char **argv)
+{
+	/* Initialisation */
+
+	generate_wellknown_sids();
+
+	/* Create security descriptor */
+
+	sd = build_sec_desc(acl_denysome, NULL, NULL_SID, NULL_SID);
+
+	if (!sd) {
+		printf("FAIL: could not build security descriptor\n");
+		return 1;
+	}
+
+	/* Run test */
+
+	visit_pwdb(denysome_check);
+
+	/* Return */
+
+        if (!failed) {
+		printf("PASS\n");
+		return 0;
+	} 
+
+	return 1;
+}
diff --git a/testsuite/smbd/se_access_check_empty.c b/testsuite/smbd/se_access_check_empty.c
new file mode 100644
index 0000000..44f5949
--- /dev/null
+++ b/testsuite/smbd/se_access_check_empty.c
@@ -0,0 +1,108 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "se_access_check_utils.h"
+
+/* Globals */
+
+BOOL failed;
+SEC_DESC *sd;
+
+struct ace_entry acl_empty[] = {
+	{ 0, 0, 0, NULL}
+};
+
+/* Check that access is always allowed for a NULL security descriptor */
+
+BOOL emptysd_check(struct passwd *pw, int ngroups, gid_t *groups)
+{
+	uint32 acc_granted, status;
+	BOOL result;
+
+	/* For no DACL, access is allowed and the desired access mask is
+	   returned */
+
+	result = se_access_check(sd, pw->pw_uid, pw->pw_gid,
+				 ngroups, groups, 
+				 SEC_RIGHTS_MAXIMUM_ALLOWED,
+				 &acc_granted, &status);
+	
+	if (!result || !(acc_granted == SEC_RIGHTS_MAXIMUM_ALLOWED)) {
+		printf("FAIL: no dacl for %s (%d/%d)\n", pw->pw_name,
+		       pw->pw_uid, pw->pw_gid);
+		failed = True;
+	}
+
+	result = se_access_check(sd, pw->pw_uid, pw->pw_gid,
+				 ngroups, groups, 0x1234,
+				 &acc_granted, &status);
+	
+	if (!result || !(acc_granted == 0x1234)) {
+		printf("FAIL: no dacl2 for %s (%d/%d)\n", pw->pw_name,
+		       pw->pw_uid, pw->pw_gid);
+		failed = True;
+	}
+
+	/* If desired access mask is empty then no access is allowed */
+
+	result = se_access_check(sd, pw->pw_uid, pw->pw_gid,
+				 ngroups, groups, 0,
+				 &acc_granted, &status);
+	
+	if (result) {
+		printf("FAIL: zero desired access for %s (%d/%d)\n",
+		       pw->pw_name, pw->pw_uid, pw->pw_gid);
+		failed = True;
+	}
+	
+	return True;
+}
+
+/* Main function */
+
+int main(int argc, char **argv)
+{
+	/* Initialisation */
+
+	generate_wellknown_sids();
+
+	/* Create security descriptor */
+
+	sd = build_sec_desc(acl_empty, NULL, NULL_SID, NULL_SID);
+
+	if (!sd) {
+		printf("FAIL: could not build security descriptor\n");
+		return 1;
+	}
+
+	/* Run test */
+
+	visit_pwdb(emptysd_check);
+
+	/* Return */
+
+        if (!failed) {
+		printf("PASS\n");
+		return 0;
+	} 
+
+	return 1;
+}
diff --git a/testsuite/smbd/se_access_check_nullsd.c b/testsuite/smbd/se_access_check_nullsd.c
new file mode 100644
index 0000000..872b2f6
--- /dev/null
+++ b/testsuite/smbd/se_access_check_nullsd.c
@@ -0,0 +1,73 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "se_access_check_utils.h"
+
+/* Globals */
+
+BOOL failed;
+
+/* Check that access is always allowed for a NULL security descriptor */
+
+BOOL nullsd_check(struct passwd *pw, int ngroups, gid_t *groups)
+{
+	uint32 acc_granted, status;
+	BOOL result;
+
+	result = se_access_check(NULL, pw->pw_uid, pw->pw_gid,
+				 ngroups, groups, 
+				 SEC_RIGHTS_MAXIMUM_ALLOWED,
+				 &acc_granted, &status);
+	
+	if (!result || status != NT_STATUS_NO_PROBLEMO ||
+	    acc_granted != SEC_RIGHTS_MAXIMUM_ALLOWED) {
+		printf("FAIL: null se_access_check %d/%d\n",
+		       pw->pw_uid, pw->pw_gid);
+		failed = True;
+	}
+	
+	printf("access check passed for user %s (%d/%d)\n",
+	       pw->pw_name, pw->pw_uid, pw->pw_gid);
+	
+	return True;
+}
+
+/* Main function */
+
+int main(int argc, char **argv)
+{
+	/* Initialisation */
+
+	generate_wellknown_sids();
+
+	/* Run test */
+
+	visit_pwdb(nullsd_check);
+
+	/* Return */
+
+        if (!failed) {
+		printf("PASS\n");
+		return 0;
+	} 
+
+	return 1;
+}
diff --git a/testsuite/smbd/se_access_check_printer.c b/testsuite/smbd/se_access_check_printer.c
new file mode 100644
index 0000000..e2645c6
--- /dev/null
+++ b/testsuite/smbd/se_access_check_printer.c
@@ -0,0 +1,211 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "se_access_check_utils.h"
+
+/* Globals */
+
+BOOL failed;
+SEC_DESC *sd;
+
+struct ace_entry acl_printer[] = {
+
+	/* Everyone is allowed to print */
+
+	{ SEC_ACE_TYPE_ACCESS_ALLOWED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  PRINTER_ACE_PRINT, "S-1-1-0" },
+
+	/* Except for user0 who uses too much paper */
+
+	{ SEC_ACE_TYPE_ACCESS_DENIED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  PRINTER_ACE_FULL_CONTROL, "user0" },
+
+	/* Users 1 and 2 can manage documents */
+
+	{ SEC_ACE_TYPE_ACCESS_ALLOWED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  PRINTER_ACE_MANAGE_DOCUMENTS, "user1" },
+
+	{ SEC_ACE_TYPE_ACCESS_ALLOWED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  PRINTER_ACE_MANAGE_DOCUMENTS, "user2" },
+
+	/* Domain Admins can also manage documents */
+
+	{ SEC_ACE_TYPE_ACCESS_ALLOWED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  PRINTER_ACE_MANAGE_DOCUMENTS, "Domain Admins" },
+
+	/* User 3 is da man */
+
+	{ SEC_ACE_TYPE_ACCESS_ALLOWED, SEC_ACE_FLAG_CONTAINER_INHERIT,
+	  PRINTER_ACE_FULL_CONTROL, "user3" },
+
+	{ 0, 0, 0, NULL}
+};
+
+BOOL test_user(char *username, uint32 acc_desired, uint32 *acc_granted)
+{
+	struct passwd *pw;
+	uint32 status;
+
+	if (!(pw = getpwnam(username))) {
+		printf("FAIL: could not lookup user info for %s\n",
+		       username);
+		exit(1);
+	}
+
+	return se_access_check(sd, pw->pw_uid, pw->pw_gid, 0, NULL,
+			       acc_desired, acc_granted, &status);
+}
+
+static char *pace_str(uint32 ace_flags)
+{
+	if ((ace_flags & PRINTER_ACE_FULL_CONTROL) == 
+	    PRINTER_ACE_FULL_CONTROL) return "full control";
+
+	if ((ace_flags & PRINTER_ACE_MANAGE_DOCUMENTS) ==
+	    PRINTER_ACE_MANAGE_DOCUMENTS) return "manage documents";
+
+	if ((ace_flags & PRINTER_ACE_PRINT) == PRINTER_ACE_PRINT)
+		return "print";
+
+	return "UNKNOWN";
+}
+
+uint32 perms[] = {
+	PRINTER_ACE_PRINT,
+	PRINTER_ACE_FULL_CONTROL,
+	PRINTER_ACE_MANAGE_DOCUMENTS,
+	0
+};
+
+void runtest(void)
+{
+	uint32 acc_granted;
+	BOOL result;
+	int i, j;
+
+	for (i = 0; perms[i]; i++) {
+
+		/* Test 10 users */
+		
+		for (j = 0; j < 10; j++) {
+			fstring name;
+
+			/* Test user against ACL */
+
+			snprintf(name, sizeof(fstring), "%s/user%d", 
+				 getenv("TEST_WORKGROUP"), j);
+			
+			result = test_user(name, perms[i], &acc_granted);
+
+			printf("%s: %s %s 0x%08x\n", name, 
+			       pace_str(perms[i]), 
+			       result ? "TRUE " : "FALSE", acc_granted);
+
+			/* Check results */
+
+			switch (perms[i]) {
+
+			case PRINTER_ACE_PRINT: {
+				if (!result || acc_granted !=
+				    PRINTER_ACE_PRINT) {
+					printf("FAIL: user %s can't print\n",
+					       name);
+					failed = True;
+				}
+				break;
+			}
+
+			case PRINTER_ACE_FULL_CONTROL: {
+				if (j == 3) {
+					if (!result || acc_granted !=
+					    PRINTER_ACE_FULL_CONTROL) {
+						printf("FAIL: user %s doesn't "
+						       "have full control\n",
+						       name);
+						failed = True;
+					}
+				} else {
+					if (result || acc_granted != 0) {
+						printf("FAIL: user %s has full "
+						       "control\n", name);
+						failed = True;
+					}
+				}
+				break;
+			}
+			case PRINTER_ACE_MANAGE_DOCUMENTS: {
+				if (j == 1 || j == 2) {
+					if (!result || acc_granted !=
+					    PRINTER_ACE_MANAGE_DOCUMENTS) {
+						printf("FAIL: user %s can't "
+						       "manage documents\n",
+						       name);
+						failed = True;
+					}
+				} else {
+					if (result || acc_granted != 0) {
+						printf("FAIL: user %s can "
+						       "manage documents\n",
+						       name);
+						failed = True;
+					}
+				}
+				break;
+			}
+
+			default:
+				printf("FAIL: internal error\n");
+				exit(1);
+			}
+		}
+	}
+}
+
+/* Main function */
+
+int main(int argc, char **argv)
+{
+	/* Initialisation */
+
+	generate_wellknown_sids();
+
+	/* Create security descriptor */
+
+	sd = build_sec_desc(acl_printer, NULL, NULL_SID, NULL_SID);
+
+	if (!sd) {
+		printf("FAIL: could not build security descriptor\n");
+		return 1;
+	}
+
+	/* Run test */
+
+	runtest();
+
+	/* Return */
+
+        if (!failed) {
+		printf("PASS\n");
+		return 0;
+	} 
+
+	return 1;
+}
diff --git a/testsuite/smbd/se_access_check_utils.c b/testsuite/smbd/se_access_check_utils.c
new file mode 100644
index 0000000..bd20a7b
--- /dev/null
+++ b/testsuite/smbd/se_access_check_utils.c
@@ -0,0 +1,158 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "se_access_check_utils.h"
+#include "lib/util/string_wrappers.h"
+
+void char_to_sid(struct dom_sid *sid, char *sid_str)
+{
+	/* If it looks like a SID, call string_to_sid() else look it up
+	   using wbinfo. */
+
+	if (strncmp(sid_str, "S-", 2) == 0) {
+		string_to_sid(sid, sid_str);
+	} else {
+		struct winbindd_request request;
+		struct winbindd_response response;
+
+		/* Send off request */
+
+		ZERO_STRUCT(request);
+		ZERO_STRUCT(response);
+		
+		fstrcpy(request.data.name, sid_str);
+		if (winbindd_request(WINBINDD_LOOKUPNAME, &request, 
+				     &response) != NSS_STATUS_SUCCESS) {
+			printf("FAIL: unable to look up sid for name %s\n",
+			       sid_str);
+			exit(1);
+		}
+
+		string_to_sid(sid, response.data.sid.sid);
+		printf("converted char %s to sid %s\n", sid_str, 
+		       response.data.sid.sid);
+	}	
+}
+
+/* Construct an ACL from a list of ace_entry structures */
+
+SEC_ACL *build_acl(struct ace_entry *ace_list)
+{
+	SEC_ACE *aces = NULL;
+	SEC_ACL *result;
+	int num_aces = 0;
+
+	if (ace_list == NULL) return NULL;
+
+	/* Create aces */
+
+	while(ace_list->sid) {
+		SEC_ACCESS sa;
+		struct dom_sid sid;
+
+		/* Create memory for new ACE */
+
+		if (!(aces = Realloc(aces, 
+				     sizeof(SEC_ACE) * (num_aces + 1)))) {
+			return NULL;
+		}
+
+		/* Create ace */
+
+		init_sec_access(&sa, ace_list->mask);
+
+		char_to_sid(&sid, ace_list->sid);
+		init_sec_ace(&aces[num_aces], &sid, ace_list->type,
+			     sa, ace_list->flags);
+
+		num_aces++;
+		ace_list++;
+	}
+
+	/* Create ACL from list of ACEs */
+
+	result = make_sec_acl(ACL_REVISION, num_aces, aces);
+	free(aces);
+
+	return result;
+}
+
+/* Make a security descriptor */
+
+SEC_DESC *build_sec_desc(struct ace_entry *dacl, struct ace_entry *sacl, 
+			 char *owner_sid, char *group_sid)
+{
+	struct dom_sid the_owner_sid, the_group_sid;
+	SEC_ACL *the_dacl, *the_sacl;
+	SEC_DESC *result;
+	size_t size;
+
+	/* Build up bits of security descriptor */
+
+	char_to_sid(&the_owner_sid, owner_sid);
+	char_to_sid(&the_group_sid, group_sid);
+
+	the_dacl = build_acl(dacl);
+	the_sacl = build_acl(sacl);
+
+	result =  make_sec_desc(SEC_DESC_REVISION, 
+				SEC_DESC_SELF_RELATIVE | SEC_DESC_DACL_PRESENT,
+				&the_owner_sid, &the_group_sid, 
+				the_sacl, the_dacl, &size);
+
+	free_sec_acl(&the_dacl);
+	free_sec_acl(&the_sacl);
+
+	return result;
+}
+
+/* Iterate over password database and call a user-specified function */
+
+void visit_pwdb(BOOL (*fn)(struct passwd *pw, int ngroups, gid_t *groups))
+{
+	struct passwd *pw;
+	int ngroups;
+	gid_t *groups;
+
+	setpwent();
+
+	while ((pw = getpwent())) {
+		BOOL result;
+
+		/* Get grouplist */
+
+		ngroups = getgroups(0, NULL);
+
+		groups = malloc(sizeof(gid_t) * ngroups);
+		getgroups(ngroups, groups);
+
+		/* Call function */
+
+		result = fn(pw, ngroups, groups);
+		if (!result) break;
+
+		/* Clean up */
+
+		free(groups);
+	}
+
+	endpwent();
+}
diff --git a/testsuite/smbd/se_access_check_utils.h b/testsuite/smbd/se_access_check_utils.h
new file mode 100644
index 0000000..706c223
--- /dev/null
+++ b/testsuite/smbd/se_access_check_utils.h
@@ -0,0 +1,45 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SE_ACCESS_CHECK_UTILS_H
+#define _SE_ACCESS_CHECK_UTILS_H
+
+#include "includes.h"
+
+/* Structure to build ACE lists from */
+
+struct ace_entry {
+	uint8 type, flags;
+	uint32 mask;
+	char *sid;
+};
+
+#define NULL_SID  "S-1-0-0"
+#define WORLD_SID "S-1-1-0"
+
+/* Function prototypes */
+
+SEC_ACL *build_acl(struct ace_entry *ace_list);
+SEC_DESC *build_sec_desc(struct ace_entry *dacl, struct ace_entry *sacl, 
+			 char *owner_sid, char *group_sid);
+
+void visit_pwdb(BOOL (*fn)(struct passwd *pw, int ngroups, gid_t *groups));
+
+#endif
diff --git a/testsuite/smbd/sec_ctx.exp b/testsuite/smbd/sec_ctx.exp
new file mode 100644
index 0000000..9ced9e5
--- /dev/null
+++ b/testsuite/smbd/sec_ctx.exp
@@ -0,0 +1,66 @@
+#
+# @(#) Test the push_sec_ctx() and pop_sec_ctx() functions
+#
+
+#
+# Unix SMB/Netbios implementation.
+# Copyright (C) Tim Potter 2000
+#   
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#   
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#   
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+#
+
+load_lib "compile.exp"
+load_lib "util-defs.exp"
+
+# Non-root test
+
+set test_desc "change sec_ctx as non-root"
+set test_prog "sec_ctx_nonroot"
+simple_make "sec_ctx" $test_prog
+set output [util_start "$srcdir/$subdir/$test_prog"]
+
+if { [regexp "child killed" $output] } {
+    pass $test_desc
+    file delete "$srcdir/$subdir/$test_prog" "$srcdir/$subdir/$test_prog.o" 
+} else {
+    fail $test_desc
+}
+
+# Run tests from C files as root
+
+set sec_ctx_tests [list \
+	{ "security contexts are stackable" "sec_ctx_stack" } \
+	{ "over/underflow tests" "sec_ctx_flow" } \
+	{ "torture test" "sec_ctx_torture" } \
+	{ "current_user global" "sec_ctx_current_user" } \
+	{ "group membership" "sec_ctx_groups" } \
+	{ "become root" "sec_ctx_root" } \
+	]
+
+foreach { test } $sec_ctx_tests {
+    set test_desc [lindex $test 0]
+    set test_file [lindex $test 1]
+
+    simple_make "sec_ctx" $test_file
+    set output [util_start "sudo $srcdir/$subdir/$test_file" ]
+
+    if { [regexp "PASS" $output] } {
+	pass $test_desc
+	file delete "$srcdir/$subdir/$test_file" "$srcdir/$subdir/$test_file.o"
+    } else {
+	fail $test_desc
+	puts $output
+    }
+
+}
diff --git a/testsuite/smbd/sec_ctx1.c b/testsuite/smbd/sec_ctx1.c
new file mode 100644
index 0000000..ab85ae1
--- /dev/null
+++ b/testsuite/smbd/sec_ctx1.c
@@ -0,0 +1,39 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+
+void exit_server(char *reason) {}
+
+int main (int argc, char **argv)
+{
+	/* Become a non-root user */
+
+	samba_setuid(1);
+	samba_setgid(1);
+
+	/* Try to push a security context.  This should fail with a
+	   smb_assert() error. */
+
+	push_sec_ctx(2, 2);
+	printf("FAIL\n");
+
+	return 0;
+}
diff --git a/testsuite/smbd/sec_ctx_current_user.c b/testsuite/smbd/sec_ctx_current_user.c
new file mode 100644
index 0000000..6361b16
--- /dev/null
+++ b/testsuite/smbd/sec_ctx_current_user.c
@@ -0,0 +1,113 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "sec_ctx_utils.h"
+
+int main(int argc, char **argv)
+{
+	extern struct current_user current_user;
+	uid_t initial_uid = current_user.uid;
+	gid_t initial_gid = current_user.gid;
+	int ngroups;
+	gid_t *groups;
+
+	init_sec_ctx();
+
+	/* Check initial id */
+
+	if (initial_uid != 0 || initial_gid != 0) {
+		printf("FAIL: current_user not initialised to root\n");
+		return 1;
+	}
+
+	/* Push a context and check current user is updated */
+
+	if (!push_sec_ctx()) {
+		printf("FAIL: push_sec_ctx\n");
+		return 1;
+	}
+
+	set_sec_ctx(1, 2, 0, NULL);
+
+	if (current_user.uid != 1 || current_user.gid != 2) {
+		printf("FAIL: current_user id not updated after push\n");
+		return 1;
+	}
+
+	if (current_user.ngroups != 0 || current_user.groups) {
+		printf("FAIL: current_user groups not updated after push\n");
+		return 1;
+	}
+
+	/* Push another */
+
+	get_random_grouplist(&ngroups, &groups);
+
+	if (!push_sec_ctx()) {
+		printf("FAIL: push_sec_ctx\n");
+		return 1;
+	}
+
+	set_sec_ctx(2, 3, ngroups, groups);
+
+	if (current_user.uid != 2 || current_user.gid != 3) {
+		printf("FAIL: current_user id not updated after second "
+		       "push\n");
+		return 1;
+	}
+
+	if (current_user.ngroups != ngroups || 
+	    (memcmp(current_user.groups, groups, 
+		    sizeof(gid_t) * ngroups) != 0)) {
+		printf("FAIL: current_user groups not updated\n");
+		return 1;
+	}
+
+	/* Pop them both off */
+
+	if (!pop_sec_ctx()) {
+		printf("FAIL: pop_sec_ctx\n");
+		return 1;
+	}
+
+	if (current_user.uid != 1 || current_user.gid != 2) {
+		printf("FAIL: current_user not updaded pop\n");
+		return 1;
+	}
+
+	if (!pop_sec_ctx()) {
+		printf("FAIL: pop_sec_ctx\n");
+		return 1;
+	}
+
+	/* Check initial state was returned */
+
+	if (current_user.uid != initial_uid || 
+	    current_user.gid != initial_gid) {
+		printf("FAIL: current_user not updaded pop\n");
+		return 1;
+	}
+
+	/* Everything's cool */
+
+	printf("PASS\n");
+	return 0;
+}
diff --git a/testsuite/smbd/sec_ctx_flow.c b/testsuite/smbd/sec_ctx_flow.c
new file mode 100644
index 0000000..f3c0564
--- /dev/null
+++ b/testsuite/smbd/sec_ctx_flow.c
@@ -0,0 +1,72 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "sec_ctx_utils.h"
+
+int main (int argc, char **argv)
+{
+	int i;
+
+	init_sec_ctx();
+
+	/* Check for underflow */
+
+	if (!push_sec_ctx()) {
+		printf("FAIL: push_sec_ctx\n");
+		return 1;
+	}
+
+	set_sec_ctx(1, 1, 0, NULL);
+
+	if (!pop_sec_ctx()) {
+		printf("FAIL: pop_sec_ctx\n");
+		return 1;
+	}
+
+	if (pop_sec_ctx()) {
+		printf("FAIL: underflow push_sec_ctx\n");
+		return 1;
+	}
+
+	/* Check for overflow */
+
+	for (i = 0; i < MAX_SEC_CTX_DEPTH + 1; i++) {
+		BOOL result;
+
+		result = push_sec_ctx();
+		set_sec_ctx(i, i, 0, NULL);
+
+		if ((i < MAX_SEC_CTX_DEPTH) && !result) {
+			printf("FAIL: push_sec_ctx(%d)\n", i);
+			return 1;
+		}
+
+		if ((i == MAX_SEC_CTX_DEPTH + 1) && result) {
+			printf("FAIL: overflow push_sec_ctx(%d)\n", i);
+			return 1;
+		}
+	}
+
+	/* Everything's cool */
+
+	printf("PASS\n");
+	return 0;
+}
diff --git a/testsuite/smbd/sec_ctx_groups.c b/testsuite/smbd/sec_ctx_groups.c
new file mode 100644
index 0000000..6310963
--- /dev/null
+++ b/testsuite/smbd/sec_ctx_groups.c
@@ -0,0 +1,130 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "sec_ctx_utils.h"
+
+int main (int argc, char **argv)
+{
+	int ngroups, initial_ngroups, check_ngroups, final_ngroups;
+	gid_t *groups, *initial_groups, *check_groups, *final_groups;
+	int i;
+
+	init_sec_ctx();
+
+	/* Save current groups */
+
+	initial_ngroups = sys_getgroups(0, NULL);
+	initial_groups = malloc(sizeof(gid_t) * initial_ngroups);
+	sys_getgroups(initial_ngroups, initial_groups);
+
+	printf("Initial groups are: ");
+	for (i = 0; i < initial_ngroups; i++) {
+		printf("%d, ", initial_groups[i]);
+	}
+	printf("\n");
+
+	/* Push a context plus groups */
+
+	get_random_grouplist(&ngroups, &groups);
+
+	printf("Random groups are: ");
+	for (i = 0; i < ngroups; i++) {
+		printf("%d, ", groups[i]);
+	}
+	printf("\n");
+
+	if (!push_sec_ctx()) {
+		printf("FAIL: push_sec_ctx\n");
+		return 1;
+	}
+
+	set_sec_ctx(1, 2, ngroups, groups);
+
+	/* Check grouplist stuck */
+
+	check_ngroups = sys_getgroups(0, NULL);
+	check_groups = malloc(sizeof(gid_t) * check_ngroups);
+	sys_getgroups(check_ngroups, check_groups);
+
+	printf("Actual groups are: ");
+	for (i = 0; i < check_ngroups; i++) {
+		printf("%d, ", check_groups[i]);
+	}
+	printf("\n");
+
+	if (ngroups != check_ngroups) {
+		printf("FAIL: number of groups differs\n");
+		return 1;
+	}
+
+	for (i = 0; i < ngroups; i++) {
+		if (groups[i] != check_groups[i]) {
+			printf("FAIL: group %d differs\n", i);
+			return 1;
+		}
+	}
+
+	safe_free(groups);
+	safe_free(check_groups);
+
+	/* Pop and check initial groups are back */
+
+	if (!pop_sec_ctx()) {
+		printf("FAIL: pop_sec_ctx\n");
+		return 1;
+	}
+
+	final_ngroups = sys_getgroups(0, NULL);
+	final_groups = malloc(sizeof(gid_t) * final_ngroups);
+	sys_getgroups(final_ngroups, final_groups);
+	
+	printf("Final groups are: ");
+	for (i = 0; i < final_ngroups; i++) {
+		printf("%d, ", final_groups[i]);
+	}
+	printf("\n");
+
+	if (initial_ngroups != final_ngroups) {
+		printf("FAIL: final number of groups differ\n");
+		return 1;
+	}
+
+	for (i = 0; i < initial_ngroups; i++) {
+		if (initial_groups[i] != final_groups[i]) {
+			printf("FAIL: final group %d differs\n", i);
+			return 1;
+		}
+	}
+
+	printf("Final groups are: ");
+	for (i = 0; i < final_ngroups; i++) {
+		printf("%d, ", final_groups[i]);
+	}
+	printf("\n");
+
+	safe_free(initial_groups);
+	safe_free(final_groups);
+
+	/* Everything's cool */
+
+	printf("PASS\n");
+	return 0;
+}
diff --git a/testsuite/smbd/sec_ctx_nonroot.c b/testsuite/smbd/sec_ctx_nonroot.c
new file mode 100644
index 0000000..6d4dbf3
--- /dev/null
+++ b/testsuite/smbd/sec_ctx_nonroot.c
@@ -0,0 +1,41 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "sec_ctx_utils.h"
+
+int main (int argc, char **argv)
+{
+	init_sec_ctx();
+	
+	/* Become a non-root user */
+
+	samba_setuid(1);
+	samba_setgid(1);
+
+	/* Try to push a security context.  This should fail with a
+	   smb_assert() error. */
+
+	push_sec_ctx();
+	set_sec_ctx(2, 2, 0, NULL);
+	printf("FAIL\n");
+
+	return 0;
+}
diff --git a/testsuite/smbd/sec_ctx_root.c b/testsuite/smbd/sec_ctx_root.c
new file mode 100644
index 0000000..0969978
--- /dev/null
+++ b/testsuite/smbd/sec_ctx_root.c
@@ -0,0 +1,60 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "sec_ctx_utils.h"
+
+int main (int argc, char **argv)
+{
+	int ngroups, actual_ngroups;
+	gid_t *groups, *actual_groups;
+	extern struct current_user current_user;
+
+	init_sec_ctx();
+
+	/* Initialise a security context */
+
+	get_random_grouplist(&ngroups, &groups);
+	set_sec_ctx(1, 1, ngroups, groups);
+
+	/* Become root and check */
+
+	set_root_sec_ctx();
+
+	actual_ngroups = getgroups(0, NULL);
+	actual_groups = (gid_t *)malloc(actual_ngroups * sizeof(gid_t));
+
+	getgroups(actual_ngroups, actual_groups);
+
+	if (geteuid() != 0 || getegid() != 0 || actual_ngroups != 0) {
+		printf("FAIL: root id not set\n");
+		return 1;
+	}
+
+	if (current_user.uid != 0 || current_user.gid != 0 ||
+	    current_user.ngroups != 0 || current_user.groups) {
+		printf("FAIL: current_user not set correctly\n");
+		return 1;
+	}
+
+	printf("PASS\n");
+
+	return 0;
+}
diff --git a/testsuite/smbd/sec_ctx_stack.c b/testsuite/smbd/sec_ctx_stack.c
new file mode 100644
index 0000000..98dd0e1
--- /dev/null
+++ b/testsuite/smbd/sec_ctx_stack.c
@@ -0,0 +1,85 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "sec_ctx_utils.h"
+
+int main (int argc, char **argv)
+{
+	BOOL result;
+	int i;
+
+	init_sec_ctx();
+
+	/* Push a whole bunch of security contexts */
+
+	for (i = 0; i < MAX_SEC_CTX_DEPTH; i++) {
+
+		result = push_sec_ctx();
+		set_sec_ctx(i + 1, i + 2, 0, NULL);
+
+		if (!result) {
+			printf("FAIL: push_sec_ctx(%d)\n", i);
+			return 1;
+		}
+
+		printf("pushed context (%d, %d) eff=(%d, %d)\n", 
+		       getuid(), getgid(), geteuid(), getegid());
+
+		if ((geteuid() != i + 1) || (getegid() != i + 2)) {
+			printf("FAIL: incorrect context pushed\n");
+			return 1;
+		}
+	}
+
+	/* Pop them all off */
+
+	for (i = MAX_SEC_CTX_DEPTH; i > 0; i--) {
+
+		result = pop_sec_ctx();
+
+		if (!result) {
+			printf("FAIL: pop_sec_ctx(%d)\n", i);
+			return 1;
+		}
+
+		printf("popped context (%d, %d) eff=(%d, %d)\n", 
+		       getuid(), getgid(), geteuid(), getegid());
+
+		printf("i = %d\n",i);
+
+		if (i > 1) {
+			if ((geteuid() != i - 1) || (getegid() != i)) {
+				printf("FAIL: incorrect context popped\n");
+				return 1;
+			}
+		} else {
+			if ((geteuid() != 0) || (getegid() != 0)) {
+				printf("FAIL: incorrect context popped\n");
+				return 1;
+			}
+		}
+	}
+
+	/* Everything's cool */
+
+	printf("PASS\n");
+	return 0;
+}
diff --git a/testsuite/smbd/sec_ctx_torture.c b/testsuite/smbd/sec_ctx_torture.c
new file mode 100644
index 0000000..2e4d140
--- /dev/null
+++ b/testsuite/smbd/sec_ctx_torture.c
@@ -0,0 +1,102 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "sec_ctx_utils.h"
+
+#define NUM_TESTS 10000
+
+int main (int argc, char **argv)
+{
+	int seed, level = 0, num_tests = 0;
+
+	init_sec_ctx();
+
+	if (argc == 1) {
+		seed = time(NULL);
+	} else {
+		seed = atoi(argv[1]);
+	}
+
+	printf("seed = %d\n", seed);
+
+	while(num_tests < NUM_TESTS) {
+		switch (random() % 2) {
+
+			/* Push a random context */
+
+		case 0:
+			if (level < MAX_SEC_CTX_DEPTH) {
+				int ngroups;
+				gid_t *groups;
+
+				if (!push_sec_ctx()) {
+					printf("FAIL: push random ctx\n");
+					return 1;
+				}
+
+				get_random_grouplist(&ngroups, &groups);
+
+				set_sec_ctx(random() % 32767, 
+					    random() % 32767, 
+					    ngroups, groups);
+
+				if (!verify_current_groups(ngroups, 
+							   groups)) {
+					printf("FAIL: groups did not stick\n");
+					return 1;
+				}
+
+				printf("pushed (%d, %d) eff=(%d, %d)\n", 
+				       getuid(), getgid(), geteuid(), 
+				       getegid());
+
+				level++;
+				num_tests++;
+
+				free(groups);
+			}
+			break;
+
+			/* Pop a random context */
+
+		case 1:
+			if (level > 0) {
+				if (!pop_sec_ctx()) {
+					printf("FAIL: pop random ctx\n");
+					return 1;
+				}
+
+				printf("popped (%d, %d) eff=(%d, %d)\n", 
+				       getuid(), getgid(), geteuid(), 
+				       getegid());
+
+				level--;
+				num_tests++;			
+			}
+			break;
+		}
+	}
+
+	/* Everything's cool */
+
+	printf("PASS\n");
+	return 0;
+}
diff --git a/testsuite/smbd/sec_ctx_utils.c b/testsuite/smbd/sec_ctx_utils.c
new file mode 100644
index 0000000..3834cfd
--- /dev/null
+++ b/testsuite/smbd/sec_ctx_utils.c
@@ -0,0 +1,64 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+
+/* Keep linker happy */
+
+void exit_server(char *reason) {}
+
+/* Generate random list of groups */
+
+void get_random_grouplist(int *ngroups, gid_t **groups)
+{
+	int i;
+
+	*ngroups = random() % setgroups_max();
+	*groups = malloc(*ngroups * sizeof(gid_t));
+
+	if (!groups) {
+		printf("FAIL: malloc random grouplist\n");
+		return;
+	}
+
+	for (i = 0; i < *ngroups; i++) {
+		(*groups)[i] = random() % 32767;
+	}
+}
+
+/* Check a list of groups with current groups */
+
+BOOL verify_current_groups(int ngroups, gid_t *groups)
+{
+	int actual_ngroups;
+	gid_t *actual_groups;
+
+	actual_ngroups = getgroups(0, NULL);
+	actual_groups = (gid_t *)malloc(actual_ngroups * sizeof(gid_t));
+
+	getgroups(actual_ngroups, actual_groups);
+
+	if (actual_ngroups != ngroups) {
+		return False;
+	}
+
+	return memcmp(actual_groups, groups, actual_ngroups *
+		      sizeof(gid_t)) == 0;
+}
diff --git a/testsuite/smbd/sec_ctx_utils.h b/testsuite/smbd/sec_ctx_utils.h
new file mode 100644
index 0000000..03c90e7
--- /dev/null
+++ b/testsuite/smbd/sec_ctx_utils.h
@@ -0,0 +1,29 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   Security context tests
+   Copyright (C) Tim Potter 2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SEC_CTX_UTILS_H
+#define _SEC_CTX_UTILS_H
+
+/* Function prototypes */
+
+void get_random_grouplist(int *ngroups, gid_t **groups);
+BOOL verify_current_groups(int ngroups, gid_t *groups);
+
+#endif /* _SEC_CTX_UTILS_H */
diff --git a/testsuite/smbd/sighup.exp b/testsuite/smbd/sighup.exp
new file mode 100644
index 0000000..a9e1bff
--- /dev/null
+++ b/testsuite/smbd/sighup.exp
@@ -0,0 +1,107 @@
+#
+# @(#) Check services file reloaded after SIGHUP
+#
+
+load_lib "util-defs.exp"
+
+# Create a smb.conf file from a list of sections.  Each section consists of
+# a name and a list of lines which are the contents of that section.
+# Returns a temporary filename which must be deleted after use.
+
+proc write_smb_conf { args } {
+
+    # Set up temporary file
+
+    set name "/tmp/smb.conf-test-[pid]"
+    set f [open $name "w"]
+
+    # Parse sections
+
+    foreach section [lindex $args 0] {
+	set secname [lindex $section 0]
+	set contents [lindex $section 1]
+	
+	puts $f "\[$secname]"
+
+	foreach { line } $contents {
+	    puts $f "\t$line"
+	}
+
+	puts $f ""
+    }
+
+    close $f
+
+    # Return filename of smb.conf file
+
+    return $name
+}
+
+proc append_smb_conf { args } {
+    
+    set name [lindex $args 0]
+    set f [open $name "a"]
+    
+    foreach section [lindex $args 1] {
+	set secname [lindex $section 0]
+	set contents [lindex $section 1]
+	
+	puts $f "\[$secname]"
+
+	foreach { line } $contents {
+	    puts $f "\t$line"
+	}
+
+	puts $f ""
+    }
+
+    close $f
+}
+
+# Create a smb.conf file
+
+set smb_conf [list \
+	[list "global" \
+	    [list "netbios name = testing" \
+	          "guest ok = true"]]]
+
+set name [write_smb_conf $smb_conf]
+
+# Run smbd and smbclient output
+
+set smbd_output [util_start "bin/smbd" "-s $name"]
+set nmbd_output [util_start "bin/nmbd" "-s $name"]
+
+sleep 5
+
+set smbclient_output [util_start "bin/smbclient -L //testing -N"]
+verbose $smbclient_output
+
+if { ![regexp "Anonymous login successful" $smbclient_output] } {
+    untested "smbd could not be started"
+    util_start "killall" "smbd nmbd"
+    file delete $name
+    return
+}
+
+# Append another share and sighup
+
+append_smb_conf $name [list [list "tmp" [list "browseable = true"]]]
+set output [util_start "killall" "-HUP smbd"]
+verbose $output
+
+sleep 2
+
+set smbclient_output2 [util_start "bin/smbclient -L //testing -N"]
+verbose $smbclient_output2
+
+if { [regexp "tmp.*Disk" $smbclient_output2] } {
+    pass "sighup reload"
+} else {
+    fail "sighup reload"
+}
+
+# Clean up
+
+util_start "killall" "smbd nmbd"
+file delete $name