Nick Kralevich | 1d1011a | 2012-09-06 10:14:03 -0700 | [diff] [blame] | 1 | /* lib_test.c -- simple libcap-ng test suite |
| 2 | * Copyright 2009,2012 Red Hat Inc., Durham, North Carolina. |
| 3 | * All Rights Reserved. |
| 4 | * |
| 5 | * This library is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU Lesser General Public |
| 7 | * License as published by the Free Software Foundation; either |
| 8 | * version 2.1 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This library is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * Lesser General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Lesser General Public |
| 16 | * License along with this library; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | * |
| 19 | * Authors: |
| 20 | * Steve Grubb <sgrubb@redhat.com> |
| 21 | */ |
| 22 | |
| 23 | #include "config.h" |
| 24 | #include "../cap-ng.h" |
| 25 | #include <stdlib.h> |
| 26 | #include <stdio.h> |
| 27 | #include <string.h> |
| 28 | |
| 29 | |
| 30 | int main(void) |
| 31 | { |
| 32 | int rc, i, len, last = CAP_LAST_CAP; |
| 33 | char *text; |
| 34 | void *saved; |
| 35 | |
| 36 | puts("Doing basic bit tests..."); |
| 37 | capng_clear(CAPNG_SELECT_BOTH); |
| 38 | if (capng_have_capabilities(CAPNG_SELECT_BOTH) != CAPNG_NONE) { |
| 39 | puts("Failed clearing capabilities"); |
| 40 | abort(); |
| 41 | } |
| 42 | saved = capng_save_state(); |
| 43 | capng_fill(CAPNG_SELECT_BOTH); |
| 44 | if (capng_have_capabilities(CAPNG_SELECT_BOTH) != CAPNG_FULL) { |
| 45 | puts("Failed filling capabilities"); |
| 46 | abort(); |
| 47 | } |
| 48 | // Need to detect if version 1 or 2 capabilities |
| 49 | text = capng_print_caps_numeric(CAPNG_PRINT_BUFFER, CAPNG_SELECT_CAPS); |
| 50 | len = strlen(text); |
| 51 | free(text); |
| 52 | if (len < 80 && last > 30) // The kernel & headers are mismatched |
| 53 | last = 30; |
| 54 | // Now test that restore still works |
| 55 | capng_restore_state(&saved); |
| 56 | if (capng_have_capabilities(CAPNG_SELECT_BOTH) != CAPNG_NONE) { |
| 57 | puts("Failed restoring capabilities"); |
| 58 | abort(); |
| 59 | } |
| 60 | printf("Doing advanced bit tests for %d capabilities...\n", last); |
| 61 | for (i=0; i<=last; i++) { |
| 62 | const char *name; |
| 63 | capng_clear(CAPNG_SELECT_BOTH); |
| 64 | rc = capng_update(CAPNG_ADD, CAPNG_EFFECTIVE, i); |
| 65 | if (rc) { |
| 66 | puts("Failed update test 1"); |
| 67 | abort(); |
| 68 | } |
| 69 | rc = capng_have_capability(CAPNG_EFFECTIVE, i); |
| 70 | if (rc == 0) { |
| 71 | puts("Failed have capability test 1"); |
| 72 | capng_print_caps_numeric(CAPNG_PRINT_STDOUT, |
| 73 | CAPNG_SELECT_CAPS); |
| 74 | abort(); |
| 75 | } |
| 76 | if(capng_have_capabilities(CAPNG_SELECT_CAPS)!=CAPNG_PARTIAL){ |
| 77 | puts("Failed have capabilities test 1"); |
| 78 | capng_print_caps_numeric(CAPNG_PRINT_STDOUT, |
| 79 | CAPNG_SELECT_CAPS); |
| 80 | abort(); |
| 81 | } |
| 82 | #if CAP_LAST_CAP > 31 |
| 83 | rc = capng_update(CAPNG_ADD, CAPNG_BOUNDING_SET, i); |
| 84 | if (rc) { |
| 85 | puts("Failed bset update test 2"); |
| 86 | abort(); |
| 87 | } |
| 88 | rc = capng_have_capability(CAPNG_BOUNDING_SET, i); |
| 89 | if (rc == 0) { |
| 90 | puts("Failed bset have capability test 2"); |
| 91 | capng_print_caps_numeric(CAPNG_PRINT_STDOUT, |
| 92 | CAPNG_SELECT_BOTH); |
| 93 | abort(); |
| 94 | } |
| 95 | if(capng_have_capabilities(CAPNG_SELECT_BOUNDS)!=CAPNG_PARTIAL){ |
| 96 | puts("Failed bset have capabilities test 2"); |
| 97 | capng_print_caps_numeric(CAPNG_PRINT_STDOUT, |
| 98 | CAPNG_SELECT_BOTH); |
| 99 | abort(); |
| 100 | } |
| 101 | #endif |
| 102 | text=capng_print_caps_text(CAPNG_PRINT_BUFFER, CAPNG_EFFECTIVE); |
| 103 | if (text == NULL) { |
| 104 | puts("Failed getting print text to buffer"); |
| 105 | abort(); |
| 106 | } |
| 107 | name = capng_capability_to_name(i); |
| 108 | if (name == NULL) { |
| 109 | printf("Failed converting capability %d to name\n", i); |
| 110 | abort(); |
| 111 | } |
| 112 | if (strcmp(text, name)) { |
| 113 | puts("Failed print text comparison"); |
| 114 | printf("%s != %s\n", text, name); |
| 115 | abort(); |
| 116 | } |
| 117 | free(text); |
| 118 | // Now make sure the mask part is working |
| 119 | capng_fill(CAPNG_SELECT_BOTH); |
| 120 | rc = capng_update(CAPNG_DROP, CAPNG_EFFECTIVE, i); |
| 121 | if (rc) { |
| 122 | puts("Failed update test 3"); |
| 123 | abort(); |
| 124 | } |
| 125 | // Should be partial |
| 126 | if(capng_have_capabilities(CAPNG_SELECT_CAPS)!=CAPNG_PARTIAL){ |
| 127 | puts("Failed have capabilities test 3"); |
| 128 | capng_print_caps_numeric(CAPNG_PRINT_STDOUT, |
| 129 | CAPNG_SELECT_CAPS); |
| 130 | abort(); |
| 131 | } |
| 132 | // Add back the bit and should be full capabilities |
| 133 | rc = capng_update(CAPNG_ADD, CAPNG_EFFECTIVE, i); |
| 134 | if (rc) { |
| 135 | puts("Failed update test 4"); |
| 136 | abort(); |
| 137 | } |
| 138 | if (capng_have_capabilities(CAPNG_SELECT_CAPS) != CAPNG_FULL){ |
| 139 | puts("Failed have capabilities test 4"); |
| 140 | capng_print_caps_numeric(CAPNG_PRINT_STDOUT, |
| 141 | CAPNG_SELECT_CAPS); |
| 142 | abort(); |
| 143 | } |
| 144 | } |
| 145 | // Now test the updatev function |
| 146 | capng_clear(CAPNG_SELECT_BOTH); |
| 147 | rc = capng_updatev(CAPNG_ADD, CAPNG_EFFECTIVE, |
| 148 | CAP_CHOWN, CAP_FOWNER, CAP_KILL, -1); |
| 149 | if (rc) { |
| 150 | puts("Failed updatev test"); |
| 151 | abort(); |
| 152 | } |
| 153 | rc = capng_have_capability(CAPNG_EFFECTIVE, CAP_CHOWN) && |
| 154 | capng_have_capability(CAPNG_EFFECTIVE, CAP_FOWNER) && |
| 155 | capng_have_capability(CAPNG_EFFECTIVE, CAP_KILL); |
| 156 | if (rc == 0) { |
| 157 | puts("Failed have updatev capability test"); |
| 158 | capng_print_caps_numeric(CAPNG_PRINT_STDOUT, |
| 159 | CAPNG_SELECT_CAPS); |
| 160 | abort(); |
| 161 | } |
| 162 | |
| 163 | return EXIT_SUCCESS; |
| 164 | } |
| 165 | |