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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