1 /*
2 * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
747 if (success && exists && pACL != NULL && !isdefault) {
748 FREE_C_HEAP_ARRAY(char, pACL);
749 }
750
751 // free the security descriptor
752 FREE_C_HEAP_ARRAY(char, pSD);
753 }
754 }
755
756 // method to free up a security attributes structure and any
757 // contained security descriptors and ACL
758 //
759 static void free_security_attr(LPSECURITY_ATTRIBUTES lpSA) {
760
761 if (lpSA != NULL) {
762 // free the contained security descriptor and the ACL
763 free_security_desc(lpSA->lpSecurityDescriptor);
764 lpSA->lpSecurityDescriptor = NULL;
765
766 // free the security attributes structure
767 FREE_C_HEAP_ARRAY(char, lpSA);
768 }
769 }
770
771 // get the user SID for the process indicated by the process handle
772 //
773 static PSID get_user_sid(HANDLE hProcess) {
774
775 HANDLE hAccessToken;
776 PTOKEN_USER token_buf = NULL;
777 DWORD rsize = 0;
778
779 if (hProcess == NULL) {
780 return NULL;
781 }
782
783 // get the process token
784 if (!OpenProcessToken(hProcess, TOKEN_READ, &hAccessToken)) {
785 if (PrintMiscellaneous && Verbose) {
786 warning("OpenProcessToken failure: lasterror = %d \n", GetLastError());
787 }
1056
1057 // initialize the security descriptor
1058 if (!InitializeSecurityDescriptor(pSD, SECURITY_DESCRIPTOR_REVISION)) {
1059 if (PrintMiscellaneous && Verbose) {
1060 warning("InitializeSecurityDescriptor failure: "
1061 "lasterror = %d \n", GetLastError());
1062 }
1063 free_security_desc(pSD);
1064 return NULL;
1065 }
1066
1067 // add the access control entries
1068 if (!add_allow_aces(pSD, aces, count)) {
1069 free_security_desc(pSD);
1070 return NULL;
1071 }
1072
1073 // allocate and initialize the security attributes structure and
1074 // return it to the caller.
1075 //
1076 LPSECURITY_ATTRIBUTES lpSA = (LPSECURITY_ATTRIBUTES)
1077 NEW_C_HEAP_ARRAY(char, sizeof(SECURITY_ATTRIBUTES), mtInternal);
1078 lpSA->nLength = sizeof(SECURITY_ATTRIBUTES);
1079 lpSA->lpSecurityDescriptor = pSD;
1080 lpSA->bInheritHandle = FALSE;
1081
1082 return(lpSA);
1083 }
1084
1085 // method to create a security attributes structure with a restrictive
1086 // access control list that creates a set access rights for the user/owner
1087 // of the securable object and a separate set access rights for everyone else.
1088 // also provides for full access rights for the administrator group.
1089 //
1090 // the caller must free the resources associated with the security
1091 // attributes structure created by this method by calling the
1092 // free_security_attr() method.
1093 //
1094
1095 static LPSECURITY_ATTRIBUTES make_user_everybody_admin_security_attr(
1096 DWORD umask, DWORD emask, DWORD amask) {
1097
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1 /*
2 * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
747 if (success && exists && pACL != NULL && !isdefault) {
748 FREE_C_HEAP_ARRAY(char, pACL);
749 }
750
751 // free the security descriptor
752 FREE_C_HEAP_ARRAY(char, pSD);
753 }
754 }
755
756 // method to free up a security attributes structure and any
757 // contained security descriptors and ACL
758 //
759 static void free_security_attr(LPSECURITY_ATTRIBUTES lpSA) {
760
761 if (lpSA != NULL) {
762 // free the contained security descriptor and the ACL
763 free_security_desc(lpSA->lpSecurityDescriptor);
764 lpSA->lpSecurityDescriptor = NULL;
765
766 // free the security attributes structure
767 FREE_C_HEAP_OBJ(lpSA);
768 }
769 }
770
771 // get the user SID for the process indicated by the process handle
772 //
773 static PSID get_user_sid(HANDLE hProcess) {
774
775 HANDLE hAccessToken;
776 PTOKEN_USER token_buf = NULL;
777 DWORD rsize = 0;
778
779 if (hProcess == NULL) {
780 return NULL;
781 }
782
783 // get the process token
784 if (!OpenProcessToken(hProcess, TOKEN_READ, &hAccessToken)) {
785 if (PrintMiscellaneous && Verbose) {
786 warning("OpenProcessToken failure: lasterror = %d \n", GetLastError());
787 }
1056
1057 // initialize the security descriptor
1058 if (!InitializeSecurityDescriptor(pSD, SECURITY_DESCRIPTOR_REVISION)) {
1059 if (PrintMiscellaneous && Verbose) {
1060 warning("InitializeSecurityDescriptor failure: "
1061 "lasterror = %d \n", GetLastError());
1062 }
1063 free_security_desc(pSD);
1064 return NULL;
1065 }
1066
1067 // add the access control entries
1068 if (!add_allow_aces(pSD, aces, count)) {
1069 free_security_desc(pSD);
1070 return NULL;
1071 }
1072
1073 // allocate and initialize the security attributes structure and
1074 // return it to the caller.
1075 //
1076 LPSECURITY_ATTRIBUTES lpSA =
1077 NEW_C_HEAP_OBJ(SECURITY_ATTRIBUTES, mtInternal);
1078 lpSA->nLength = sizeof(SECURITY_ATTRIBUTES);
1079 lpSA->lpSecurityDescriptor = pSD;
1080 lpSA->bInheritHandle = FALSE;
1081
1082 return(lpSA);
1083 }
1084
1085 // method to create a security attributes structure with a restrictive
1086 // access control list that creates a set access rights for the user/owner
1087 // of the securable object and a separate set access rights for everyone else.
1088 // also provides for full access rights for the administrator group.
1089 //
1090 // the caller must free the resources associated with the security
1091 // attributes structure created by this method by calling the
1092 // free_security_attr() method.
1093 //
1094
1095 static LPSECURITY_ATTRIBUTES make_user_everybody_admin_security_attr(
1096 DWORD umask, DWORD emask, DWORD amask) {
1097
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