1 /* 2 * QEMU PAM authorization driver 3 * 4 * Copyright (c) 2018 Red Hat, Inc. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 * 19 */ 20 21 #ifndef QAUTHZ_PAMACCT_H 22 #define QAUTHZ_PAMACCT_H 23 24 #include "authz/base.h" 25 #include "qom/object.h" 26 27 28 #define TYPE_QAUTHZ_PAM "authz-pam" 29 30 OBJECT_DECLARE_SIMPLE_TYPE(QAuthZPAM, qauthz_pam, 31 QAUTHZ_PAM, QAuthZClass) 32 33 34 35 /** 36 * QAuthZPAM: 37 * 38 * This authorization driver provides a PAM mechanism 39 * for granting access by matching user names against a 40 * list of globs. Each match rule has an associated policy 41 * and a catch all policy applies if no rule matches 42 * 43 * To create an instance of this class via QMP: 44 * 45 * { 46 * "execute": "object-add", 47 * "arguments": { 48 * "qom-type": "authz-pam", 49 * "id": "authz0", 50 * "parameters": { 51 * "service": "qemu-vnc-tls" 52 * } 53 * } 54 * } 55 * 56 * The driver only uses the PAM "account" verification 57 * subsystem. The above config would require a config 58 * file /etc/pam.d/qemu-vnc-tls. For a simple file 59 * lookup it would contain 60 * 61 * account requisite pam_listfile.so item=user sense=allow \ 62 * file=/etc/qemu/vnc.allow 63 * 64 * The external file would then contain a list of usernames. 65 * If x509 cert was being used as the username, a suitable 66 * entry would match the distinguish name: 67 * 68 * CN=laptop.berrange.com,O=Berrange Home,L=London,ST=London,C=GB 69 * 70 * On the command line it can be created using 71 * 72 * -object authz-pam,id=authz0,service=qemu-vnc-tls 73 * 74 */ 75 struct QAuthZPAM { 76 QAuthZ parent_obj; 77 78 char *service; 79 }; 80 81 82 83 84 QAuthZPAM *qauthz_pam_new(const char *id, 85 const char *service, 86 Error **errp); 87 88 #endif /* QAUTHZ_PAMACCT_H */ 89