| 1 | /* | 
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| 2 | Unix SMB/CIFS implementation. | 
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| 3 |  | 
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| 4 | Copyright (C) Andrew Tridgell 1992-1998 | 
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| 5 | Copyright (C) Jeremy Allison 1998-2002 | 
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| 6 |  | 
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| 7 | This program is free software; you can redistribute it and/or modify | 
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| 8 | it under the terms of the GNU General Public License as published by | 
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| 9 | the Free Software Foundation; either version 3 of the License, or | 
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| 10 | (at your option) any later version. | 
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| 11 |  | 
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| 12 | This program is distributed in the hope that it will be useful, | 
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 15 | GNU General Public License for more details. | 
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| 16 |  | 
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| 17 | You should have received a copy of the GNU General Public License | 
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| 18 | along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
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| 19 | */ | 
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| 20 |  | 
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| 21 | /** | 
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| 22 | * @file | 
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| 23 | * @brief Capabilities functions | 
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| 24 | **/ | 
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| 25 |  | 
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| 26 | /* | 
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| 27 | capabilities fns - will be needed when we enable kernel oplocks | 
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| 28 | */ | 
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| 29 |  | 
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| 30 | #include "includes.h" | 
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| 31 | #include "system/network.h" | 
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| 32 | #include "system/wait.h" | 
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| 33 | #include "system/filesys.h" | 
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| 34 |  | 
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| 35 |  | 
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| 36 | #if defined(HAVE_IRIX_SPECIFIC_CAPABILITIES) | 
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| 37 | /************************************************************************** | 
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| 38 | Try and abstract process capabilities (for systems that have them). | 
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| 39 | ****************************************************************************/ | 
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| 40 | static bool set_process_capability( uint32_t cap_flag, bool enable ) | 
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| 41 | { | 
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| 42 | if(cap_flag == KERNEL_OPLOCK_CAPABILITY) { | 
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| 43 | cap_t cap = cap_get_proc(); | 
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| 44 |  | 
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| 45 | if (cap == NULL) { | 
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| 46 | DEBUG(0,("set_process_capability: cap_get_proc failed. Error was %s\n", | 
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| 47 | strerror(errno))); | 
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| 48 | return false; | 
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| 49 | } | 
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| 50 |  | 
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| 51 | if(enable) | 
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| 52 | cap->cap_effective |= CAP_NETWORK_MGT; | 
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| 53 | else | 
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| 54 | cap->cap_effective &= ~CAP_NETWORK_MGT; | 
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| 55 |  | 
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| 56 | if (cap_set_proc(cap) == -1) { | 
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| 57 | DEBUG(0,("set_process_capability: cap_set_proc failed. Error was %s\n", | 
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| 58 | strerror(errno))); | 
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| 59 | cap_free(cap); | 
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| 60 | return false; | 
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| 61 | } | 
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| 62 |  | 
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| 63 | cap_free(cap); | 
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| 64 |  | 
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| 65 | DEBUG(10,("set_process_capability: Set KERNEL_OPLOCK_CAPABILITY.\n")); | 
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| 66 | } | 
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| 67 | return true; | 
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| 68 | } | 
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| 69 |  | 
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| 70 | /************************************************************************** | 
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| 71 | Try and abstract inherited process capabilities (for systems that have them). | 
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| 72 | ****************************************************************************/ | 
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| 73 |  | 
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| 74 | static bool set_inherited_process_capability( uint32_t cap_flag, bool enable ) | 
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| 75 | { | 
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| 76 | if(cap_flag == KERNEL_OPLOCK_CAPABILITY) { | 
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| 77 | cap_t cap = cap_get_proc(); | 
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| 78 |  | 
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| 79 | if (cap == NULL) { | 
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| 80 | DEBUG(0,("set_inherited_process_capability: cap_get_proc failed. Error was %s\n", | 
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| 81 | strerror(errno))); | 
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| 82 | return false; | 
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| 83 | } | 
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| 84 |  | 
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| 85 | if(enable) | 
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| 86 | cap->cap_inheritable |= CAP_NETWORK_MGT; | 
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| 87 | else | 
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| 88 | cap->cap_inheritable &= ~CAP_NETWORK_MGT; | 
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| 89 |  | 
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| 90 | if (cap_set_proc(cap) == -1) { | 
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| 91 | DEBUG(0,("set_inherited_process_capability: cap_set_proc failed. Error was %s\n", | 
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| 92 | strerror(errno))); | 
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| 93 | cap_free(cap); | 
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| 94 | return false; | 
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| 95 | } | 
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| 96 |  | 
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| 97 | cap_free(cap); | 
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| 98 |  | 
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| 99 | DEBUG(10,("set_inherited_process_capability: Set KERNEL_OPLOCK_CAPABILITY.\n")); | 
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| 100 | } | 
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| 101 | return true; | 
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| 102 | } | 
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| 103 | #endif | 
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