capabilities.c (2617B)
1 // $Id$ --*- c -*-- 2 3 // Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de> 4 // 5 // This program is free software; you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation; version 2 of the License. 8 // 9 // This program is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with this program; if not, write to the Free Software 16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 18 19 #ifdef HAVE_CONFIG_H 20 # include <config.h> 21 #endif 22 23 24 #include "vserver.h" 25 #include <string.h> 26 27 #if 1 28 # define DECLARECAP(X,Y) { #X, VC_##X } 29 #else 30 # define DECLARECAP(X,Y) { #X, Y } 31 #endif 32 33 static struct { 34 char const * const id; 35 unsigned char bit; 36 } const CAP2BIT[] = { 37 DECLARECAP(CAP_CHOWN, 0), 38 DECLARECAP(CAP_DAC_OVERRIDE, 1), 39 DECLARECAP(CAP_DAC_READ_SEARCH, 2), 40 DECLARECAP(CAP_FOWNER, 3), 41 DECLARECAP(CAP_FSETID, 4), 42 DECLARECAP(CAP_KILL, 5), 43 DECLARECAP(CAP_SETGID, 6), 44 DECLARECAP(CAP_SETUID, 7), 45 DECLARECAP(CAP_SETPCAP, 8), 46 DECLARECAP(CAP_LINUX_IMMUTABLE, 9), 47 DECLARECAP(CAP_NET_BIND_SERVICE, 10), 48 DECLARECAP(CAP_NET_BROADCAST, 11), 49 DECLARECAP(CAP_NET_ADMIN, 12), 50 DECLARECAP(CAP_NET_RAW, 13), 51 DECLARECAP(CAP_IPC_LOCK, 14), 52 DECLARECAP(CAP_IPC_OWNER, 15), 53 DECLARECAP(CAP_SYS_MODULE, 16), 54 DECLARECAP(CAP_SYS_RAWIO, 17), 55 DECLARECAP(CAP_SYS_CHROOT, 18), 56 DECLARECAP(CAP_SYS_PTRACE, 19), 57 DECLARECAP(CAP_SYS_PACCT, 20), 58 DECLARECAP(CAP_SYS_ADMIN, 21), 59 DECLARECAP(CAP_SYS_BOOT, 22), 60 DECLARECAP(CAP_SYS_NICE, 23), 61 DECLARECAP(CAP_SYS_RESOURCE, 24), 62 DECLARECAP(CAP_SYS_TIME, 25), 63 DECLARECAP(CAP_SYS_TTY_CONFIG, 26), 64 DECLARECAP(CAP_MKNOD, 27), 65 DECLARECAP(CAP_LEASE, 28), 66 { "CAP_QUOTACTL", 29 }, 67 }; 68 69 int 70 vc_text2cap(char const *str) 71 { 72 size_t i; 73 if (strncmp(str, "CAP_", 4)==0) str += 4; 74 75 for (i=0; i<sizeof(CAP2BIT)/sizeof(CAP2BIT[0]); ++i) 76 if (strcmp(CAP2BIT[i].id+4, str)==0) return CAP2BIT[i].bit; 77 78 return -1; 79 } 80 81 char const * 82 vc_cap2text(unsigned int bit) 83 { 84 if ((size_t)bit>=sizeof(CAP2BIT)/sizeof(CAP2BIT[0])) return 0; 85 return CAP2BIT[bit].id; 86 }