1 #ifndef foocredshfoo 2 #define foocredshfoo 3 4 /*** 5 This file is part of PulseAudio. 6 7 Copyright 2006 Lennart Poettering 8 9 PulseAudio is free software; you can redistribute it and/or modify 10 it under the terms of the GNU Lesser General Public License as 11 published by the Free Software Foundation; either version 2.1 of the 12 License, or (at your option) any later version. 13 14 PulseAudio is distributed in the hope that it will be useful, but 15 WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 Lesser General Public License for more details. 18 19 You should have received a copy of the GNU Lesser General Public 20 License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. 21 ***/ 22 23 #include <sys/types.h> 24 25 #ifndef PACKAGE 26 #error "Please include config.h before including this file!" 27 #endif 28 29 #include <pulsecore/socket.h> 30 #include <stdbool.h> 31 32 #define MAX_ANCIL_DATA_FDS 2 33 34 typedef struct pa_creds pa_creds; 35 typedef struct pa_cmsg_ancil_data pa_cmsg_ancil_data; 36 37 #if defined(SCM_CREDENTIALS) || defined(SCM_CREDS) 38 39 #define HAVE_CREDS 1 40 41 struct pa_creds { 42 gid_t gid; 43 uid_t uid; 44 }; 45 46 /* Struct for handling ancillary data, i e, extra data that can be sent together with a message 47 * over unix pipes. Supports sending and receiving credentials and file descriptors. */ 48 struct pa_cmsg_ancil_data { 49 pa_creds creds; 50 bool creds_valid; 51 int nfd; 52 53 /* Don't close these fds by your own. Check pa_cmsg_ancil_data_close_fds() */ 54 int fds[MAX_ANCIL_DATA_FDS]; 55 bool close_fds_on_cleanup; 56 }; 57 58 void pa_cmsg_ancil_data_close_fds(struct pa_cmsg_ancil_data *ancil); 59 60 #else 61 #undef HAVE_CREDS 62 #endif 63 64 #endif 65