Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Security plug functions |
| 3 | * |
| 4 | * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com> |
| 5 | * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> |
| 6 | * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | */ |
| 13 | |
Randy.Dunlap | c59ede7 | 2006-01-11 12:17:46 -0800 | [diff] [blame] | 14 | #include <linux/capability.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | #include <linux/module.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/kernel.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #include <linux/security.h> |
Mimi Zohar | f381c27 | 2011-03-09 14:13:22 -0500 | [diff] [blame] | 19 | #include <linux/integrity.h> |
Mimi Zohar | 6c21a7f | 2009-10-22 17:30:13 -0400 | [diff] [blame] | 20 | #include <linux/ima.h> |
Mimi Zohar | 3e1be52 | 2011-03-09 14:38:26 -0500 | [diff] [blame] | 21 | #include <linux/evm.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | |
Mimi Zohar | 823eb1c | 2011-06-15 21:19:10 -0400 | [diff] [blame] | 23 | #define MAX_LSM_EVM_XATTR 2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | |
Ahmed S. Darwish | 076c54c | 2008-03-06 18:09:10 +0200 | [diff] [blame] | 25 | /* Boot-time LSM user choice */ |
John Johansen | 6e65f92 | 2009-11-05 17:03:20 -0800 | [diff] [blame] | 26 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
| 27 | CONFIG_DEFAULT_SECURITY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
wzt.wzt@gmail.com | 189b3b1 | 2010-02-23 23:15:28 +0800 | [diff] [blame] | 29 | static struct security_operations *security_ops; |
| 30 | static struct security_operations default_security_ops = { |
| 31 | .name = "default", |
| 32 | }; |
Eric Paris | a5ecbcb | 2008-01-31 15:11:22 -0500 | [diff] [blame] | 33 | |
Tetsuo Handa | c80901f | 2010-05-14 12:01:26 +0900 | [diff] [blame] | 34 | static inline int __init verify(struct security_operations *ops) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | { |
| 36 | /* verify the security_operations structure exists */ |
| 37 | if (!ops) |
| 38 | return -EINVAL; |
| 39 | security_fixup_ops(ops); |
| 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | static void __init do_security_initcalls(void) |
| 44 | { |
| 45 | initcall_t *call; |
| 46 | call = __security_initcall_start; |
| 47 | while (call < __security_initcall_end) { |
| 48 | (*call) (); |
| 49 | call++; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * security_init - initializes the security framework |
| 55 | * |
| 56 | * This should be called early in the kernel initialization sequence. |
| 57 | */ |
| 58 | int __init security_init(void) |
| 59 | { |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 60 | printk(KERN_INFO "Security Framework initialized\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | |
Miklos Szeredi | 5915eb5 | 2008-07-03 20:56:05 +0200 | [diff] [blame] | 62 | security_fixup_ops(&default_security_ops); |
| 63 | security_ops = &default_security_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | do_security_initcalls(); |
| 65 | |
| 66 | return 0; |
| 67 | } |
| 68 | |
wzt.wzt@gmail.com | 189b3b1 | 2010-02-23 23:15:28 +0800 | [diff] [blame] | 69 | void reset_security_ops(void) |
| 70 | { |
| 71 | security_ops = &default_security_ops; |
| 72 | } |
| 73 | |
Ahmed S. Darwish | 076c54c | 2008-03-06 18:09:10 +0200 | [diff] [blame] | 74 | /* Save user chosen LSM */ |
| 75 | static int __init choose_lsm(char *str) |
| 76 | { |
| 77 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); |
| 78 | return 1; |
| 79 | } |
| 80 | __setup("security=", choose_lsm); |
| 81 | |
| 82 | /** |
| 83 | * security_module_enable - Load given security module on boot ? |
| 84 | * @ops: a pointer to the struct security_operations that is to be checked. |
| 85 | * |
| 86 | * Each LSM must pass this method before registering its own operations |
| 87 | * to avoid security registration races. This method may also be used |
James Morris | 7cea51b | 2008-03-07 12:23:49 +1100 | [diff] [blame] | 88 | * to check if your LSM is currently loaded during kernel initialization. |
Ahmed S. Darwish | 076c54c | 2008-03-06 18:09:10 +0200 | [diff] [blame] | 89 | * |
| 90 | * Return true if: |
| 91 | * -The passed LSM is the one chosen by user at boot time, |
John Johansen | 6e65f92 | 2009-11-05 17:03:20 -0800 | [diff] [blame] | 92 | * -or the passed LSM is configured as the default and the user did not |
Tetsuo Handa | 065d78a | 2010-08-28 14:58:44 +0900 | [diff] [blame] | 93 | * choose an alternate LSM at boot time. |
Ahmed S. Darwish | 076c54c | 2008-03-06 18:09:10 +0200 | [diff] [blame] | 94 | * Otherwise, return false. |
| 95 | */ |
| 96 | int __init security_module_enable(struct security_operations *ops) |
| 97 | { |
Tetsuo Handa | 065d78a | 2010-08-28 14:58:44 +0900 | [diff] [blame] | 98 | return !strcmp(ops->name, chosen_lsm); |
Ahmed S. Darwish | 076c54c | 2008-03-06 18:09:10 +0200 | [diff] [blame] | 99 | } |
| 100 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | /** |
| 102 | * register_security - registers a security framework with the kernel |
| 103 | * @ops: a pointer to the struct security_options that is to be registered |
| 104 | * |
Randy Dunlap | 3f23d81 | 2008-08-17 21:44:22 -0700 | [diff] [blame] | 105 | * This function allows a security module to register itself with the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | * kernel security subsystem. Some rudimentary checking is done on the @ops |
Ahmed S. Darwish | 076c54c | 2008-03-06 18:09:10 +0200 | [diff] [blame] | 107 | * value passed to this function. You'll need to check first if your LSM |
| 108 | * is allowed to register its @ops by calling security_module_enable(@ops). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | * |
| 110 | * If there is already a security module registered with the kernel, |
Randy Dunlap | 3f23d81 | 2008-08-17 21:44:22 -0700 | [diff] [blame] | 111 | * an error will be returned. Otherwise %0 is returned on success. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | */ |
wzt.wzt@gmail.com | c1e992b | 2010-02-26 22:49:55 +0800 | [diff] [blame] | 113 | int __init register_security(struct security_operations *ops) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | { |
| 115 | if (verify(ops)) { |
| 116 | printk(KERN_DEBUG "%s could not verify " |
Harvey Harrison | dd6f953 | 2008-03-06 10:03:59 +1100 | [diff] [blame] | 117 | "security_operations structure.\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | return -EINVAL; |
| 119 | } |
| 120 | |
Miklos Szeredi | 5915eb5 | 2008-07-03 20:56:05 +0200 | [diff] [blame] | 121 | if (security_ops != &default_security_ops) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | return -EAGAIN; |
| 123 | |
| 124 | security_ops = ops; |
| 125 | |
| 126 | return 0; |
| 127 | } |
| 128 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 129 | /* Security operations */ |
| 130 | |
Ingo Molnar | 9e48858 | 2009-05-07 19:26:19 +1000 | [diff] [blame] | 131 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 132 | { |
Ingo Molnar | 9e48858 | 2009-05-07 19:26:19 +1000 | [diff] [blame] | 133 | return security_ops->ptrace_access_check(child, mode); |
David Howells | 5cd9c58 | 2008-08-14 11:37:28 +0100 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | int security_ptrace_traceme(struct task_struct *parent) |
| 137 | { |
| 138 | return security_ops->ptrace_traceme(parent); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | int security_capget(struct task_struct *target, |
| 142 | kernel_cap_t *effective, |
| 143 | kernel_cap_t *inheritable, |
| 144 | kernel_cap_t *permitted) |
| 145 | { |
| 146 | return security_ops->capget(target, effective, inheritable, permitted); |
| 147 | } |
| 148 | |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 149 | int security_capset(struct cred *new, const struct cred *old, |
| 150 | const kernel_cap_t *effective, |
| 151 | const kernel_cap_t *inheritable, |
| 152 | const kernel_cap_t *permitted) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 153 | { |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 154 | return security_ops->capset(new, old, |
| 155 | effective, inheritable, permitted); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 156 | } |
| 157 | |
Eric Paris | b7e724d | 2012-01-03 12:25:15 -0500 | [diff] [blame] | 158 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
Serge E. Hallyn | 3486740 | 2011-03-23 16:43:17 -0700 | [diff] [blame] | 159 | int cap) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 160 | { |
Eric Paris | 6a9de49 | 2012-01-03 12:25:14 -0500 | [diff] [blame] | 161 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT); |
Eric Paris | 0611216 | 2008-11-11 22:02:50 +1100 | [diff] [blame] | 162 | } |
| 163 | |
Eric Paris | c7eba4a | 2012-01-03 12:25:15 -0500 | [diff] [blame] | 164 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
| 165 | int cap) |
Eric Paris | 0611216 | 2008-11-11 22:02:50 +1100 | [diff] [blame] | 166 | { |
Eric Paris | c7eba4a | 2012-01-03 12:25:15 -0500 | [diff] [blame] | 167 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 168 | } |
| 169 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 170 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
| 171 | { |
| 172 | return security_ops->quotactl(cmds, type, id, sb); |
| 173 | } |
| 174 | |
| 175 | int security_quota_on(struct dentry *dentry) |
| 176 | { |
| 177 | return security_ops->quota_on(dentry); |
| 178 | } |
| 179 | |
Eric Paris | 12b3052 | 2010-11-15 18:36:29 -0500 | [diff] [blame] | 180 | int security_syslog(int type) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 181 | { |
Eric Paris | 12b3052 | 2010-11-15 18:36:29 -0500 | [diff] [blame] | 182 | return security_ops->syslog(type); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 183 | } |
| 184 | |
Richard Cochran | 1e6d767 | 2011-02-01 13:50:58 +0000 | [diff] [blame] | 185 | int security_settime(const struct timespec *ts, const struct timezone *tz) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 186 | { |
| 187 | return security_ops->settime(ts, tz); |
| 188 | } |
| 189 | |
| 190 | int security_vm_enough_memory(long pages) |
| 191 | { |
Alan Cox | 731572d | 2008-10-29 14:01:20 -0700 | [diff] [blame] | 192 | WARN_ON(current->mm == NULL); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 193 | return security_ops->vm_enough_memory(current->mm, pages); |
| 194 | } |
| 195 | |
| 196 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
| 197 | { |
Alan Cox | 731572d | 2008-10-29 14:01:20 -0700 | [diff] [blame] | 198 | WARN_ON(mm == NULL); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 199 | return security_ops->vm_enough_memory(mm, pages); |
| 200 | } |
| 201 | |
Alan Cox | 731572d | 2008-10-29 14:01:20 -0700 | [diff] [blame] | 202 | int security_vm_enough_memory_kern(long pages) |
| 203 | { |
| 204 | /* If current->mm is a kernel thread then we will pass NULL, |
| 205 | for this specific case that is fine */ |
| 206 | return security_ops->vm_enough_memory(current->mm, pages); |
| 207 | } |
| 208 | |
David Howells | a6f76f2 | 2008-11-14 10:39:24 +1100 | [diff] [blame] | 209 | int security_bprm_set_creds(struct linux_binprm *bprm) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 210 | { |
David Howells | a6f76f2 | 2008-11-14 10:39:24 +1100 | [diff] [blame] | 211 | return security_ops->bprm_set_creds(bprm); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | int security_bprm_check(struct linux_binprm *bprm) |
| 215 | { |
Mimi Zohar | 6c21a7f | 2009-10-22 17:30:13 -0400 | [diff] [blame] | 216 | int ret; |
| 217 | |
| 218 | ret = security_ops->bprm_check_security(bprm); |
| 219 | if (ret) |
| 220 | return ret; |
| 221 | return ima_bprm_check(bprm); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 222 | } |
| 223 | |
David Howells | a6f76f2 | 2008-11-14 10:39:24 +1100 | [diff] [blame] | 224 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
| 225 | { |
Hannes Eder | 200036c | 2008-11-24 22:14:43 +0100 | [diff] [blame] | 226 | security_ops->bprm_committing_creds(bprm); |
David Howells | a6f76f2 | 2008-11-14 10:39:24 +1100 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
| 230 | { |
Hannes Eder | 200036c | 2008-11-24 22:14:43 +0100 | [diff] [blame] | 231 | security_ops->bprm_committed_creds(bprm); |
David Howells | a6f76f2 | 2008-11-14 10:39:24 +1100 | [diff] [blame] | 232 | } |
| 233 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 234 | int security_bprm_secureexec(struct linux_binprm *bprm) |
| 235 | { |
| 236 | return security_ops->bprm_secureexec(bprm); |
| 237 | } |
| 238 | |
| 239 | int security_sb_alloc(struct super_block *sb) |
| 240 | { |
| 241 | return security_ops->sb_alloc_security(sb); |
| 242 | } |
| 243 | |
| 244 | void security_sb_free(struct super_block *sb) |
| 245 | { |
| 246 | security_ops->sb_free_security(sb); |
| 247 | } |
| 248 | |
Eric Paris | e000752 | 2008-03-05 10:31:54 -0500 | [diff] [blame] | 249 | int security_sb_copy_data(char *orig, char *copy) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 250 | { |
Eric Paris | e000752 | 2008-03-05 10:31:54 -0500 | [diff] [blame] | 251 | return security_ops->sb_copy_data(orig, copy); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 252 | } |
Eric Paris | e000752 | 2008-03-05 10:31:54 -0500 | [diff] [blame] | 253 | EXPORT_SYMBOL(security_sb_copy_data); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 254 | |
Eric Paris | ff36fe2 | 2011-03-03 16:09:14 -0500 | [diff] [blame] | 255 | int security_sb_remount(struct super_block *sb, void *data) |
| 256 | { |
| 257 | return security_ops->sb_remount(sb, data); |
| 258 | } |
| 259 | |
James Morris | 12204e2 | 2008-12-19 10:44:42 +1100 | [diff] [blame] | 260 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 261 | { |
James Morris | 12204e2 | 2008-12-19 10:44:42 +1100 | [diff] [blame] | 262 | return security_ops->sb_kern_mount(sb, flags, data); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 263 | } |
| 264 | |
Eric Paris | 2069f45 | 2008-07-04 09:47:13 +1000 | [diff] [blame] | 265 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
| 266 | { |
| 267 | return security_ops->sb_show_options(m, sb); |
| 268 | } |
| 269 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 270 | int security_sb_statfs(struct dentry *dentry) |
| 271 | { |
| 272 | return security_ops->sb_statfs(dentry); |
| 273 | } |
| 274 | |
Al Viro | b5266eb | 2008-03-22 17:48:24 -0400 | [diff] [blame] | 275 | int security_sb_mount(char *dev_name, struct path *path, |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 276 | char *type, unsigned long flags, void *data) |
| 277 | { |
Al Viro | b5266eb | 2008-03-22 17:48:24 -0400 | [diff] [blame] | 278 | return security_ops->sb_mount(dev_name, path, type, flags, data); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 279 | } |
| 280 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 281 | int security_sb_umount(struct vfsmount *mnt, int flags) |
| 282 | { |
| 283 | return security_ops->sb_umount(mnt, flags); |
| 284 | } |
| 285 | |
Al Viro | b5266eb | 2008-03-22 17:48:24 -0400 | [diff] [blame] | 286 | int security_sb_pivotroot(struct path *old_path, struct path *new_path) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 287 | { |
Al Viro | b5266eb | 2008-03-22 17:48:24 -0400 | [diff] [blame] | 288 | return security_ops->sb_pivotroot(old_path, new_path); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 289 | } |
| 290 | |
Eric Paris | c9180a5 | 2007-11-30 13:00:35 -0500 | [diff] [blame] | 291 | int security_sb_set_mnt_opts(struct super_block *sb, |
Eric Paris | e000752 | 2008-03-05 10:31:54 -0500 | [diff] [blame] | 292 | struct security_mnt_opts *opts) |
Eric Paris | c9180a5 | 2007-11-30 13:00:35 -0500 | [diff] [blame] | 293 | { |
Eric Paris | e000752 | 2008-03-05 10:31:54 -0500 | [diff] [blame] | 294 | return security_ops->sb_set_mnt_opts(sb, opts); |
Eric Paris | c9180a5 | 2007-11-30 13:00:35 -0500 | [diff] [blame] | 295 | } |
Eric Paris | e000752 | 2008-03-05 10:31:54 -0500 | [diff] [blame] | 296 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
Eric Paris | c9180a5 | 2007-11-30 13:00:35 -0500 | [diff] [blame] | 297 | |
| 298 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, |
| 299 | struct super_block *newsb) |
| 300 | { |
| 301 | security_ops->sb_clone_mnt_opts(oldsb, newsb); |
| 302 | } |
Eric Paris | e000752 | 2008-03-05 10:31:54 -0500 | [diff] [blame] | 303 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
| 304 | |
| 305 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) |
| 306 | { |
| 307 | return security_ops->sb_parse_opts_str(options, opts); |
| 308 | } |
| 309 | EXPORT_SYMBOL(security_sb_parse_opts_str); |
Eric Paris | c9180a5 | 2007-11-30 13:00:35 -0500 | [diff] [blame] | 310 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 311 | int security_inode_alloc(struct inode *inode) |
| 312 | { |
| 313 | inode->i_security = NULL; |
Eric Paris | bc7d2a3 | 2010-10-25 14:42:05 -0400 | [diff] [blame] | 314 | return security_ops->inode_alloc_security(inode); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | void security_inode_free(struct inode *inode) |
| 318 | { |
Mimi Zohar | f381c27 | 2011-03-09 14:13:22 -0500 | [diff] [blame] | 319 | integrity_inode_free(inode); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 320 | security_ops->inode_free_security(inode); |
| 321 | } |
| 322 | |
| 323 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
Mimi Zohar | 9d8f13b | 2011-06-06 15:29:25 -0400 | [diff] [blame] | 324 | const struct qstr *qstr, |
| 325 | const initxattrs initxattrs, void *fs_data) |
| 326 | { |
Mimi Zohar | 823eb1c | 2011-06-15 21:19:10 -0400 | [diff] [blame] | 327 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
| 328 | struct xattr *lsm_xattr, *evm_xattr, *xattr; |
Mimi Zohar | 9d8f13b | 2011-06-06 15:29:25 -0400 | [diff] [blame] | 329 | int ret; |
| 330 | |
| 331 | if (unlikely(IS_PRIVATE(inode))) |
Mimi Zohar | fb88c2b | 2011-08-15 10:13:18 -0400 | [diff] [blame] | 332 | return 0; |
Mimi Zohar | 9d8f13b | 2011-06-06 15:29:25 -0400 | [diff] [blame] | 333 | |
| 334 | memset(new_xattrs, 0, sizeof new_xattrs); |
| 335 | if (!initxattrs) |
| 336 | return security_ops->inode_init_security(inode, dir, qstr, |
| 337 | NULL, NULL, NULL); |
| 338 | lsm_xattr = new_xattrs; |
| 339 | ret = security_ops->inode_init_security(inode, dir, qstr, |
| 340 | &lsm_xattr->name, |
| 341 | &lsm_xattr->value, |
| 342 | &lsm_xattr->value_len); |
| 343 | if (ret) |
| 344 | goto out; |
Mimi Zohar | 823eb1c | 2011-06-15 21:19:10 -0400 | [diff] [blame] | 345 | |
| 346 | evm_xattr = lsm_xattr + 1; |
| 347 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); |
| 348 | if (ret) |
| 349 | goto out; |
Mimi Zohar | 9d8f13b | 2011-06-06 15:29:25 -0400 | [diff] [blame] | 350 | ret = initxattrs(inode, new_xattrs, fs_data); |
| 351 | out: |
Mimi Zohar | 823eb1c | 2011-06-15 21:19:10 -0400 | [diff] [blame] | 352 | for (xattr = new_xattrs; xattr->name != NULL; xattr++) { |
| 353 | kfree(xattr->name); |
| 354 | kfree(xattr->value); |
| 355 | } |
Mimi Zohar | 9d8f13b | 2011-06-06 15:29:25 -0400 | [diff] [blame] | 356 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
| 357 | } |
| 358 | EXPORT_SYMBOL(security_inode_init_security); |
| 359 | |
| 360 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, |
| 361 | const struct qstr *qstr, char **name, |
| 362 | void **value, size_t *len) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 363 | { |
| 364 | if (unlikely(IS_PRIVATE(inode))) |
Jan Kara | 30e0532 | 2012-01-03 13:14:29 +0100 | [diff] [blame] | 365 | return -EOPNOTSUPP; |
Eric Paris | 2a7dba3 | 2011-02-01 11:05:39 -0500 | [diff] [blame] | 366 | return security_ops->inode_init_security(inode, dir, qstr, name, value, |
| 367 | len); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 368 | } |
Mimi Zohar | 9d8f13b | 2011-06-06 15:29:25 -0400 | [diff] [blame] | 369 | EXPORT_SYMBOL(security_old_inode_init_security); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 370 | |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 371 | #ifdef CONFIG_SECURITY_PATH |
Al Viro | 04fc66e | 2011-11-21 14:58:38 -0500 | [diff] [blame] | 372 | int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 373 | unsigned int dev) |
| 374 | { |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 375 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 376 | return 0; |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 377 | return security_ops->path_mknod(dir, dentry, mode, dev); |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 378 | } |
| 379 | EXPORT_SYMBOL(security_path_mknod); |
| 380 | |
Al Viro | 4572bef | 2011-11-21 14:56:21 -0500 | [diff] [blame] | 381 | int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 382 | { |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 383 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 384 | return 0; |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 385 | return security_ops->path_mkdir(dir, dentry, mode); |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 386 | } |
David Howells | 8214044 | 2010-12-24 14:48:35 +0000 | [diff] [blame] | 387 | EXPORT_SYMBOL(security_path_mkdir); |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 388 | |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 389 | int security_path_rmdir(struct path *dir, struct dentry *dentry) |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 390 | { |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 391 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 392 | return 0; |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 393 | return security_ops->path_rmdir(dir, dentry); |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 394 | } |
| 395 | |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 396 | int security_path_unlink(struct path *dir, struct dentry *dentry) |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 397 | { |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 398 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 399 | return 0; |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 400 | return security_ops->path_unlink(dir, dentry); |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 401 | } |
David Howells | 8214044 | 2010-12-24 14:48:35 +0000 | [diff] [blame] | 402 | EXPORT_SYMBOL(security_path_unlink); |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 403 | |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 404 | int security_path_symlink(struct path *dir, struct dentry *dentry, |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 405 | const char *old_name) |
| 406 | { |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 407 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 408 | return 0; |
Tetsuo Handa | 5d0901a | 2009-11-26 15:24:49 +0900 | [diff] [blame] | 409 | return security_ops->path_symlink(dir, dentry, old_name); |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 410 | } |
| 411 | |
| 412 | int security_path_link(struct dentry *old_dentry, struct path *new_dir, |
| 413 | struct dentry *new_dentry) |
| 414 | { |
| 415 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) |
| 416 | return 0; |
| 417 | return security_ops->path_link(old_dentry, new_dir, new_dentry); |
| 418 | } |
| 419 | |
| 420 | int security_path_rename(struct path *old_dir, struct dentry *old_dentry, |
| 421 | struct path *new_dir, struct dentry *new_dentry) |
| 422 | { |
| 423 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || |
| 424 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) |
| 425 | return 0; |
| 426 | return security_ops->path_rename(old_dir, old_dentry, new_dir, |
| 427 | new_dentry); |
| 428 | } |
David Howells | 8214044 | 2010-12-24 14:48:35 +0000 | [diff] [blame] | 429 | EXPORT_SYMBOL(security_path_rename); |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 430 | |
Tetsuo Handa | ea0d3ab | 2010-06-02 13:24:43 +0900 | [diff] [blame] | 431 | int security_path_truncate(struct path *path) |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 432 | { |
| 433 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
| 434 | return 0; |
Tetsuo Handa | ea0d3ab | 2010-06-02 13:24:43 +0900 | [diff] [blame] | 435 | return security_ops->path_truncate(path); |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 436 | } |
Tetsuo Handa | 89eda06 | 2009-10-04 21:49:47 +0900 | [diff] [blame] | 437 | |
Al Viro | cdcf116 | 2011-12-08 10:51:53 -0500 | [diff] [blame] | 438 | int security_path_chmod(struct path *path, umode_t mode) |
Tetsuo Handa | 89eda06 | 2009-10-04 21:49:47 +0900 | [diff] [blame] | 439 | { |
Al Viro | cdcf116 | 2011-12-08 10:51:53 -0500 | [diff] [blame] | 440 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
Tetsuo Handa | 89eda06 | 2009-10-04 21:49:47 +0900 | [diff] [blame] | 441 | return 0; |
Al Viro | cdcf116 | 2011-12-08 10:51:53 -0500 | [diff] [blame] | 442 | return security_ops->path_chmod(path, mode); |
Tetsuo Handa | 89eda06 | 2009-10-04 21:49:47 +0900 | [diff] [blame] | 443 | } |
| 444 | |
| 445 | int security_path_chown(struct path *path, uid_t uid, gid_t gid) |
| 446 | { |
| 447 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
| 448 | return 0; |
| 449 | return security_ops->path_chown(path, uid, gid); |
| 450 | } |
Tetsuo Handa | 8b8efb4 | 2009-10-04 21:49:48 +0900 | [diff] [blame] | 451 | |
| 452 | int security_path_chroot(struct path *path) |
| 453 | { |
| 454 | return security_ops->path_chroot(path); |
| 455 | } |
Kentaro Takeda | be6d3e5 | 2008-12-17 13:24:15 +0900 | [diff] [blame] | 456 | #endif |
| 457 | |
Al Viro | 4acdaf2 | 2011-07-26 01:42:34 -0400 | [diff] [blame] | 458 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 459 | { |
| 460 | if (unlikely(IS_PRIVATE(dir))) |
| 461 | return 0; |
| 462 | return security_ops->inode_create(dir, dentry, mode); |
| 463 | } |
David Howells | 800a964 | 2009-04-03 16:42:40 +0100 | [diff] [blame] | 464 | EXPORT_SYMBOL_GPL(security_inode_create); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 465 | |
| 466 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, |
| 467 | struct dentry *new_dentry) |
| 468 | { |
| 469 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) |
| 470 | return 0; |
| 471 | return security_ops->inode_link(old_dentry, dir, new_dentry); |
| 472 | } |
| 473 | |
| 474 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) |
| 475 | { |
| 476 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 477 | return 0; |
| 478 | return security_ops->inode_unlink(dir, dentry); |
| 479 | } |
| 480 | |
| 481 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, |
| 482 | const char *old_name) |
| 483 | { |
| 484 | if (unlikely(IS_PRIVATE(dir))) |
| 485 | return 0; |
| 486 | return security_ops->inode_symlink(dir, dentry, old_name); |
| 487 | } |
| 488 | |
Al Viro | 18bb1db | 2011-07-26 01:41:39 -0400 | [diff] [blame] | 489 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 490 | { |
| 491 | if (unlikely(IS_PRIVATE(dir))) |
| 492 | return 0; |
| 493 | return security_ops->inode_mkdir(dir, dentry, mode); |
| 494 | } |
David Howells | 800a964 | 2009-04-03 16:42:40 +0100 | [diff] [blame] | 495 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 496 | |
| 497 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) |
| 498 | { |
| 499 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 500 | return 0; |
| 501 | return security_ops->inode_rmdir(dir, dentry); |
| 502 | } |
| 503 | |
Al Viro | 1a67aaf | 2011-07-26 01:52:52 -0400 | [diff] [blame] | 504 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 505 | { |
| 506 | if (unlikely(IS_PRIVATE(dir))) |
| 507 | return 0; |
| 508 | return security_ops->inode_mknod(dir, dentry, mode, dev); |
| 509 | } |
| 510 | |
| 511 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, |
| 512 | struct inode *new_dir, struct dentry *new_dentry) |
| 513 | { |
| 514 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || |
| 515 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) |
| 516 | return 0; |
| 517 | return security_ops->inode_rename(old_dir, old_dentry, |
| 518 | new_dir, new_dentry); |
| 519 | } |
| 520 | |
| 521 | int security_inode_readlink(struct dentry *dentry) |
| 522 | { |
| 523 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 524 | return 0; |
| 525 | return security_ops->inode_readlink(dentry); |
| 526 | } |
| 527 | |
| 528 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) |
| 529 | { |
| 530 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 531 | return 0; |
| 532 | return security_ops->inode_follow_link(dentry, nd); |
| 533 | } |
| 534 | |
Al Viro | b77b064 | 2008-07-17 09:37:02 -0400 | [diff] [blame] | 535 | int security_inode_permission(struct inode *inode, int mask) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 536 | { |
| 537 | if (unlikely(IS_PRIVATE(inode))) |
| 538 | return 0; |
Al Viro | e74f71e | 2011-06-20 19:38:15 -0400 | [diff] [blame] | 539 | return security_ops->inode_permission(inode, mask); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 540 | } |
| 541 | |
| 542 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) |
| 543 | { |
Mimi Zohar | 817b54a | 2011-05-13 12:53:38 -0400 | [diff] [blame] | 544 | int ret; |
| 545 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 546 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 547 | return 0; |
Mimi Zohar | 817b54a | 2011-05-13 12:53:38 -0400 | [diff] [blame] | 548 | ret = security_ops->inode_setattr(dentry, attr); |
| 549 | if (ret) |
| 550 | return ret; |
| 551 | return evm_inode_setattr(dentry, attr); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 552 | } |
Miklos Szeredi | b1da47e | 2008-07-01 15:01:28 +0200 | [diff] [blame] | 553 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 554 | |
| 555 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) |
| 556 | { |
| 557 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 558 | return 0; |
| 559 | return security_ops->inode_getattr(mnt, dentry); |
| 560 | } |
| 561 | |
David Howells | 8f0cfa5 | 2008-04-29 00:59:41 -0700 | [diff] [blame] | 562 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
| 563 | const void *value, size_t size, int flags) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 564 | { |
Mimi Zohar | 3e1be52 | 2011-03-09 14:38:26 -0500 | [diff] [blame] | 565 | int ret; |
| 566 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 567 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 568 | return 0; |
Mimi Zohar | 3e1be52 | 2011-03-09 14:38:26 -0500 | [diff] [blame] | 569 | ret = security_ops->inode_setxattr(dentry, name, value, size, flags); |
| 570 | if (ret) |
| 571 | return ret; |
| 572 | return evm_inode_setxattr(dentry, name, value, size); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 573 | } |
| 574 | |
David Howells | 8f0cfa5 | 2008-04-29 00:59:41 -0700 | [diff] [blame] | 575 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
| 576 | const void *value, size_t size, int flags) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 577 | { |
| 578 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 579 | return; |
| 580 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); |
Mimi Zohar | 3e1be52 | 2011-03-09 14:38:26 -0500 | [diff] [blame] | 581 | evm_inode_post_setxattr(dentry, name, value, size); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 582 | } |
| 583 | |
David Howells | 8f0cfa5 | 2008-04-29 00:59:41 -0700 | [diff] [blame] | 584 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 585 | { |
| 586 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 587 | return 0; |
| 588 | return security_ops->inode_getxattr(dentry, name); |
| 589 | } |
| 590 | |
| 591 | int security_inode_listxattr(struct dentry *dentry) |
| 592 | { |
| 593 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 594 | return 0; |
| 595 | return security_ops->inode_listxattr(dentry); |
| 596 | } |
| 597 | |
David Howells | 8f0cfa5 | 2008-04-29 00:59:41 -0700 | [diff] [blame] | 598 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 599 | { |
Mimi Zohar | 3e1be52 | 2011-03-09 14:38:26 -0500 | [diff] [blame] | 600 | int ret; |
| 601 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 602 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 603 | return 0; |
Mimi Zohar | 3e1be52 | 2011-03-09 14:38:26 -0500 | [diff] [blame] | 604 | ret = security_ops->inode_removexattr(dentry, name); |
| 605 | if (ret) |
| 606 | return ret; |
| 607 | return evm_inode_removexattr(dentry, name); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 608 | } |
| 609 | |
Serge E. Hallyn | b537677 | 2007-10-16 23:31:36 -0700 | [diff] [blame] | 610 | int security_inode_need_killpriv(struct dentry *dentry) |
| 611 | { |
| 612 | return security_ops->inode_need_killpriv(dentry); |
| 613 | } |
| 614 | |
| 615 | int security_inode_killpriv(struct dentry *dentry) |
| 616 | { |
| 617 | return security_ops->inode_killpriv(dentry); |
| 618 | } |
| 619 | |
David P. Quigley | 4249259 | 2008-02-04 22:29:39 -0800 | [diff] [blame] | 620 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 621 | { |
| 622 | if (unlikely(IS_PRIVATE(inode))) |
James Morris | 8d95250 | 2010-01-14 09:33:28 +1100 | [diff] [blame] | 623 | return -EOPNOTSUPP; |
David P. Quigley | 4249259 | 2008-02-04 22:29:39 -0800 | [diff] [blame] | 624 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 625 | } |
| 626 | |
| 627 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) |
| 628 | { |
| 629 | if (unlikely(IS_PRIVATE(inode))) |
James Morris | 8d95250 | 2010-01-14 09:33:28 +1100 | [diff] [blame] | 630 | return -EOPNOTSUPP; |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 631 | return security_ops->inode_setsecurity(inode, name, value, size, flags); |
| 632 | } |
| 633 | |
| 634 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) |
| 635 | { |
| 636 | if (unlikely(IS_PRIVATE(inode))) |
| 637 | return 0; |
| 638 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); |
| 639 | } |
| 640 | |
Ahmed S. Darwish | 8a07619 | 2008-03-01 21:51:09 +0200 | [diff] [blame] | 641 | void security_inode_getsecid(const struct inode *inode, u32 *secid) |
| 642 | { |
| 643 | security_ops->inode_getsecid(inode, secid); |
| 644 | } |
| 645 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 646 | int security_file_permission(struct file *file, int mask) |
| 647 | { |
Eric Paris | c4ec54b | 2009-12-17 21:24:34 -0500 | [diff] [blame] | 648 | int ret; |
| 649 | |
| 650 | ret = security_ops->file_permission(file, mask); |
| 651 | if (ret) |
| 652 | return ret; |
| 653 | |
| 654 | return fsnotify_perm(file, mask); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 655 | } |
| 656 | |
| 657 | int security_file_alloc(struct file *file) |
| 658 | { |
| 659 | return security_ops->file_alloc_security(file); |
| 660 | } |
| 661 | |
| 662 | void security_file_free(struct file *file) |
| 663 | { |
| 664 | security_ops->file_free_security(file); |
| 665 | } |
| 666 | |
| 667 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 668 | { |
| 669 | return security_ops->file_ioctl(file, cmd, arg); |
| 670 | } |
| 671 | |
| 672 | int security_file_mmap(struct file *file, unsigned long reqprot, |
| 673 | unsigned long prot, unsigned long flags, |
| 674 | unsigned long addr, unsigned long addr_only) |
| 675 | { |
Mimi Zohar | 6c21a7f | 2009-10-22 17:30:13 -0400 | [diff] [blame] | 676 | int ret; |
| 677 | |
| 678 | ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only); |
| 679 | if (ret) |
| 680 | return ret; |
| 681 | return ima_file_mmap(file, prot); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 682 | } |
| 683 | |
| 684 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
| 685 | unsigned long prot) |
| 686 | { |
| 687 | return security_ops->file_mprotect(vma, reqprot, prot); |
| 688 | } |
| 689 | |
| 690 | int security_file_lock(struct file *file, unsigned int cmd) |
| 691 | { |
| 692 | return security_ops->file_lock(file, cmd); |
| 693 | } |
| 694 | |
| 695 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) |
| 696 | { |
| 697 | return security_ops->file_fcntl(file, cmd, arg); |
| 698 | } |
| 699 | |
| 700 | int security_file_set_fowner(struct file *file) |
| 701 | { |
| 702 | return security_ops->file_set_fowner(file); |
| 703 | } |
| 704 | |
| 705 | int security_file_send_sigiotask(struct task_struct *tsk, |
| 706 | struct fown_struct *fown, int sig) |
| 707 | { |
| 708 | return security_ops->file_send_sigiotask(tsk, fown, sig); |
| 709 | } |
| 710 | |
| 711 | int security_file_receive(struct file *file) |
| 712 | { |
| 713 | return security_ops->file_receive(file); |
| 714 | } |
| 715 | |
David Howells | 745ca24 | 2008-11-14 10:39:22 +1100 | [diff] [blame] | 716 | int security_dentry_open(struct file *file, const struct cred *cred) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 717 | { |
Eric Paris | c4ec54b | 2009-12-17 21:24:34 -0500 | [diff] [blame] | 718 | int ret; |
| 719 | |
| 720 | ret = security_ops->dentry_open(file, cred); |
| 721 | if (ret) |
| 722 | return ret; |
| 723 | |
| 724 | return fsnotify_perm(file, MAY_OPEN); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 725 | } |
| 726 | |
| 727 | int security_task_create(unsigned long clone_flags) |
| 728 | { |
| 729 | return security_ops->task_create(clone_flags); |
| 730 | } |
| 731 | |
Kees Cook | 1a2a4d0 | 2011-12-21 12:17:03 -0800 | [diff] [blame^] | 732 | void security_task_free(struct task_struct *task) |
| 733 | { |
| 734 | security_ops->task_free(task); |
| 735 | } |
| 736 | |
David Howells | ee18d64 | 2009-09-02 09:14:21 +0100 | [diff] [blame] | 737 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
| 738 | { |
| 739 | return security_ops->cred_alloc_blank(cred, gfp); |
| 740 | } |
| 741 | |
David Howells | f1752ee | 2008-11-14 10:39:17 +1100 | [diff] [blame] | 742 | void security_cred_free(struct cred *cred) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 743 | { |
David Howells | f1752ee | 2008-11-14 10:39:17 +1100 | [diff] [blame] | 744 | security_ops->cred_free(cred); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 745 | } |
| 746 | |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 747 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
| 748 | { |
| 749 | return security_ops->cred_prepare(new, old, gfp); |
| 750 | } |
| 751 | |
David Howells | ee18d64 | 2009-09-02 09:14:21 +0100 | [diff] [blame] | 752 | void security_transfer_creds(struct cred *new, const struct cred *old) |
| 753 | { |
| 754 | security_ops->cred_transfer(new, old); |
| 755 | } |
| 756 | |
David Howells | 3a3b7ce | 2008-11-14 10:39:28 +1100 | [diff] [blame] | 757 | int security_kernel_act_as(struct cred *new, u32 secid) |
| 758 | { |
| 759 | return security_ops->kernel_act_as(new, secid); |
| 760 | } |
| 761 | |
| 762 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) |
| 763 | { |
| 764 | return security_ops->kernel_create_files_as(new, inode); |
| 765 | } |
| 766 | |
Eric Paris | dd8dbf2 | 2009-11-03 16:35:32 +1100 | [diff] [blame] | 767 | int security_kernel_module_request(char *kmod_name) |
Eric Paris | 9188499 | 2009-08-13 09:44:57 -0400 | [diff] [blame] | 768 | { |
Eric Paris | dd8dbf2 | 2009-11-03 16:35:32 +1100 | [diff] [blame] | 769 | return security_ops->kernel_module_request(kmod_name); |
Eric Paris | 9188499 | 2009-08-13 09:44:57 -0400 | [diff] [blame] | 770 | } |
| 771 | |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 772 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
| 773 | int flags) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 774 | { |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 775 | return security_ops->task_fix_setuid(new, old, flags); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 776 | } |
| 777 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 778 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
| 779 | { |
| 780 | return security_ops->task_setpgid(p, pgid); |
| 781 | } |
| 782 | |
| 783 | int security_task_getpgid(struct task_struct *p) |
| 784 | { |
| 785 | return security_ops->task_getpgid(p); |
| 786 | } |
| 787 | |
| 788 | int security_task_getsid(struct task_struct *p) |
| 789 | { |
| 790 | return security_ops->task_getsid(p); |
| 791 | } |
| 792 | |
| 793 | void security_task_getsecid(struct task_struct *p, u32 *secid) |
| 794 | { |
| 795 | security_ops->task_getsecid(p, secid); |
| 796 | } |
| 797 | EXPORT_SYMBOL(security_task_getsecid); |
| 798 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 799 | int security_task_setnice(struct task_struct *p, int nice) |
| 800 | { |
| 801 | return security_ops->task_setnice(p, nice); |
| 802 | } |
| 803 | |
| 804 | int security_task_setioprio(struct task_struct *p, int ioprio) |
| 805 | { |
| 806 | return security_ops->task_setioprio(p, ioprio); |
| 807 | } |
| 808 | |
| 809 | int security_task_getioprio(struct task_struct *p) |
| 810 | { |
| 811 | return security_ops->task_getioprio(p); |
| 812 | } |
| 813 | |
Jiri Slaby | 8fd00b4 | 2009-08-26 18:41:16 +0200 | [diff] [blame] | 814 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
| 815 | struct rlimit *new_rlim) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 816 | { |
Jiri Slaby | 8fd00b4 | 2009-08-26 18:41:16 +0200 | [diff] [blame] | 817 | return security_ops->task_setrlimit(p, resource, new_rlim); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 818 | } |
| 819 | |
KOSAKI Motohiro | b0ae198 | 2010-10-15 04:21:18 +0900 | [diff] [blame] | 820 | int security_task_setscheduler(struct task_struct *p) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 821 | { |
KOSAKI Motohiro | b0ae198 | 2010-10-15 04:21:18 +0900 | [diff] [blame] | 822 | return security_ops->task_setscheduler(p); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 823 | } |
| 824 | |
| 825 | int security_task_getscheduler(struct task_struct *p) |
| 826 | { |
| 827 | return security_ops->task_getscheduler(p); |
| 828 | } |
| 829 | |
| 830 | int security_task_movememory(struct task_struct *p) |
| 831 | { |
| 832 | return security_ops->task_movememory(p); |
| 833 | } |
| 834 | |
| 835 | int security_task_kill(struct task_struct *p, struct siginfo *info, |
| 836 | int sig, u32 secid) |
| 837 | { |
| 838 | return security_ops->task_kill(p, info, sig, secid); |
| 839 | } |
| 840 | |
| 841 | int security_task_wait(struct task_struct *p) |
| 842 | { |
| 843 | return security_ops->task_wait(p); |
| 844 | } |
| 845 | |
| 846 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 847 | unsigned long arg4, unsigned long arg5) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 848 | { |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 849 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 850 | } |
| 851 | |
| 852 | void security_task_to_inode(struct task_struct *p, struct inode *inode) |
| 853 | { |
| 854 | security_ops->task_to_inode(p, inode); |
| 855 | } |
| 856 | |
| 857 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) |
| 858 | { |
| 859 | return security_ops->ipc_permission(ipcp, flag); |
| 860 | } |
| 861 | |
Ahmed S. Darwish | 8a07619 | 2008-03-01 21:51:09 +0200 | [diff] [blame] | 862 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
| 863 | { |
| 864 | security_ops->ipc_getsecid(ipcp, secid); |
| 865 | } |
| 866 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 867 | int security_msg_msg_alloc(struct msg_msg *msg) |
| 868 | { |
| 869 | return security_ops->msg_msg_alloc_security(msg); |
| 870 | } |
| 871 | |
| 872 | void security_msg_msg_free(struct msg_msg *msg) |
| 873 | { |
| 874 | security_ops->msg_msg_free_security(msg); |
| 875 | } |
| 876 | |
| 877 | int security_msg_queue_alloc(struct msg_queue *msq) |
| 878 | { |
| 879 | return security_ops->msg_queue_alloc_security(msq); |
| 880 | } |
| 881 | |
| 882 | void security_msg_queue_free(struct msg_queue *msq) |
| 883 | { |
| 884 | security_ops->msg_queue_free_security(msq); |
| 885 | } |
| 886 | |
| 887 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) |
| 888 | { |
| 889 | return security_ops->msg_queue_associate(msq, msqflg); |
| 890 | } |
| 891 | |
| 892 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) |
| 893 | { |
| 894 | return security_ops->msg_queue_msgctl(msq, cmd); |
| 895 | } |
| 896 | |
| 897 | int security_msg_queue_msgsnd(struct msg_queue *msq, |
| 898 | struct msg_msg *msg, int msqflg) |
| 899 | { |
| 900 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); |
| 901 | } |
| 902 | |
| 903 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, |
| 904 | struct task_struct *target, long type, int mode) |
| 905 | { |
| 906 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); |
| 907 | } |
| 908 | |
| 909 | int security_shm_alloc(struct shmid_kernel *shp) |
| 910 | { |
| 911 | return security_ops->shm_alloc_security(shp); |
| 912 | } |
| 913 | |
| 914 | void security_shm_free(struct shmid_kernel *shp) |
| 915 | { |
| 916 | security_ops->shm_free_security(shp); |
| 917 | } |
| 918 | |
| 919 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) |
| 920 | { |
| 921 | return security_ops->shm_associate(shp, shmflg); |
| 922 | } |
| 923 | |
| 924 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) |
| 925 | { |
| 926 | return security_ops->shm_shmctl(shp, cmd); |
| 927 | } |
| 928 | |
| 929 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) |
| 930 | { |
| 931 | return security_ops->shm_shmat(shp, shmaddr, shmflg); |
| 932 | } |
| 933 | |
| 934 | int security_sem_alloc(struct sem_array *sma) |
| 935 | { |
| 936 | return security_ops->sem_alloc_security(sma); |
| 937 | } |
| 938 | |
| 939 | void security_sem_free(struct sem_array *sma) |
| 940 | { |
| 941 | security_ops->sem_free_security(sma); |
| 942 | } |
| 943 | |
| 944 | int security_sem_associate(struct sem_array *sma, int semflg) |
| 945 | { |
| 946 | return security_ops->sem_associate(sma, semflg); |
| 947 | } |
| 948 | |
| 949 | int security_sem_semctl(struct sem_array *sma, int cmd) |
| 950 | { |
| 951 | return security_ops->sem_semctl(sma, cmd); |
| 952 | } |
| 953 | |
| 954 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, |
| 955 | unsigned nsops, int alter) |
| 956 | { |
| 957 | return security_ops->sem_semop(sma, sops, nsops, alter); |
| 958 | } |
| 959 | |
| 960 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) |
| 961 | { |
| 962 | if (unlikely(inode && IS_PRIVATE(inode))) |
| 963 | return; |
| 964 | security_ops->d_instantiate(dentry, inode); |
| 965 | } |
| 966 | EXPORT_SYMBOL(security_d_instantiate); |
| 967 | |
| 968 | int security_getprocattr(struct task_struct *p, char *name, char **value) |
| 969 | { |
| 970 | return security_ops->getprocattr(p, name, value); |
| 971 | } |
| 972 | |
| 973 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) |
| 974 | { |
| 975 | return security_ops->setprocattr(p, name, value, size); |
| 976 | } |
| 977 | |
| 978 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) |
| 979 | { |
| 980 | return security_ops->netlink_send(sk, skb); |
| 981 | } |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 982 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 983 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
| 984 | { |
| 985 | return security_ops->secid_to_secctx(secid, secdata, seclen); |
| 986 | } |
| 987 | EXPORT_SYMBOL(security_secid_to_secctx); |
| 988 | |
David Howells | 7bf570d | 2008-04-29 20:52:51 +0100 | [diff] [blame] | 989 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
David Howells | 63cb344 | 2008-01-15 23:47:35 +0000 | [diff] [blame] | 990 | { |
| 991 | return security_ops->secctx_to_secid(secdata, seclen, secid); |
| 992 | } |
| 993 | EXPORT_SYMBOL(security_secctx_to_secid); |
| 994 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 995 | void security_release_secctx(char *secdata, u32 seclen) |
| 996 | { |
James Morris | 65fc766 | 2008-06-12 01:00:10 +1000 | [diff] [blame] | 997 | security_ops->release_secctx(secdata, seclen); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 998 | } |
| 999 | EXPORT_SYMBOL(security_release_secctx); |
| 1000 | |
David P. Quigley | 1ee65e3 | 2009-09-03 14:25:57 -0400 | [diff] [blame] | 1001 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
| 1002 | { |
| 1003 | return security_ops->inode_notifysecctx(inode, ctx, ctxlen); |
| 1004 | } |
| 1005 | EXPORT_SYMBOL(security_inode_notifysecctx); |
| 1006 | |
| 1007 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) |
| 1008 | { |
| 1009 | return security_ops->inode_setsecctx(dentry, ctx, ctxlen); |
| 1010 | } |
| 1011 | EXPORT_SYMBOL(security_inode_setsecctx); |
| 1012 | |
| 1013 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) |
| 1014 | { |
| 1015 | return security_ops->inode_getsecctx(inode, ctx, ctxlen); |
| 1016 | } |
| 1017 | EXPORT_SYMBOL(security_inode_getsecctx); |
| 1018 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1019 | #ifdef CONFIG_SECURITY_NETWORK |
| 1020 | |
David S. Miller | 3610cda | 2011-01-05 15:38:53 -0800 | [diff] [blame] | 1021 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1022 | { |
| 1023 | return security_ops->unix_stream_connect(sock, other, newsk); |
| 1024 | } |
| 1025 | EXPORT_SYMBOL(security_unix_stream_connect); |
| 1026 | |
| 1027 | int security_unix_may_send(struct socket *sock, struct socket *other) |
| 1028 | { |
| 1029 | return security_ops->unix_may_send(sock, other); |
| 1030 | } |
| 1031 | EXPORT_SYMBOL(security_unix_may_send); |
| 1032 | |
| 1033 | int security_socket_create(int family, int type, int protocol, int kern) |
| 1034 | { |
| 1035 | return security_ops->socket_create(family, type, protocol, kern); |
| 1036 | } |
| 1037 | |
| 1038 | int security_socket_post_create(struct socket *sock, int family, |
| 1039 | int type, int protocol, int kern) |
| 1040 | { |
| 1041 | return security_ops->socket_post_create(sock, family, type, |
| 1042 | protocol, kern); |
| 1043 | } |
| 1044 | |
| 1045 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
| 1046 | { |
| 1047 | return security_ops->socket_bind(sock, address, addrlen); |
| 1048 | } |
| 1049 | |
| 1050 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) |
| 1051 | { |
| 1052 | return security_ops->socket_connect(sock, address, addrlen); |
| 1053 | } |
| 1054 | |
| 1055 | int security_socket_listen(struct socket *sock, int backlog) |
| 1056 | { |
| 1057 | return security_ops->socket_listen(sock, backlog); |
| 1058 | } |
| 1059 | |
| 1060 | int security_socket_accept(struct socket *sock, struct socket *newsock) |
| 1061 | { |
| 1062 | return security_ops->socket_accept(sock, newsock); |
| 1063 | } |
| 1064 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1065 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
| 1066 | { |
| 1067 | return security_ops->socket_sendmsg(sock, msg, size); |
| 1068 | } |
| 1069 | |
| 1070 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, |
| 1071 | int size, int flags) |
| 1072 | { |
| 1073 | return security_ops->socket_recvmsg(sock, msg, size, flags); |
| 1074 | } |
| 1075 | |
| 1076 | int security_socket_getsockname(struct socket *sock) |
| 1077 | { |
| 1078 | return security_ops->socket_getsockname(sock); |
| 1079 | } |
| 1080 | |
| 1081 | int security_socket_getpeername(struct socket *sock) |
| 1082 | { |
| 1083 | return security_ops->socket_getpeername(sock); |
| 1084 | } |
| 1085 | |
| 1086 | int security_socket_getsockopt(struct socket *sock, int level, int optname) |
| 1087 | { |
| 1088 | return security_ops->socket_getsockopt(sock, level, optname); |
| 1089 | } |
| 1090 | |
| 1091 | int security_socket_setsockopt(struct socket *sock, int level, int optname) |
| 1092 | { |
| 1093 | return security_ops->socket_setsockopt(sock, level, optname); |
| 1094 | } |
| 1095 | |
| 1096 | int security_socket_shutdown(struct socket *sock, int how) |
| 1097 | { |
| 1098 | return security_ops->socket_shutdown(sock, how); |
| 1099 | } |
| 1100 | |
| 1101 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) |
| 1102 | { |
| 1103 | return security_ops->socket_sock_rcv_skb(sk, skb); |
| 1104 | } |
| 1105 | EXPORT_SYMBOL(security_sock_rcv_skb); |
| 1106 | |
| 1107 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, |
| 1108 | int __user *optlen, unsigned len) |
| 1109 | { |
| 1110 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); |
| 1111 | } |
| 1112 | |
| 1113 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) |
| 1114 | { |
| 1115 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); |
| 1116 | } |
| 1117 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); |
| 1118 | |
| 1119 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) |
| 1120 | { |
| 1121 | return security_ops->sk_alloc_security(sk, family, priority); |
| 1122 | } |
| 1123 | |
| 1124 | void security_sk_free(struct sock *sk) |
| 1125 | { |
James Morris | 65fc766 | 2008-06-12 01:00:10 +1000 | [diff] [blame] | 1126 | security_ops->sk_free_security(sk); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1127 | } |
| 1128 | |
| 1129 | void security_sk_clone(const struct sock *sk, struct sock *newsk) |
| 1130 | { |
James Morris | 65fc766 | 2008-06-12 01:00:10 +1000 | [diff] [blame] | 1131 | security_ops->sk_clone_security(sk, newsk); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1132 | } |
Paul Moore | 6230c9b | 2011-10-07 09:40:59 +0000 | [diff] [blame] | 1133 | EXPORT_SYMBOL(security_sk_clone); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1134 | |
| 1135 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) |
| 1136 | { |
David S. Miller | 1d28f42 | 2011-03-12 00:29:39 -0500 | [diff] [blame] | 1137 | security_ops->sk_getsecid(sk, &fl->flowi_secid); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1138 | } |
| 1139 | EXPORT_SYMBOL(security_sk_classify_flow); |
| 1140 | |
| 1141 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) |
| 1142 | { |
| 1143 | security_ops->req_classify_flow(req, fl); |
| 1144 | } |
| 1145 | EXPORT_SYMBOL(security_req_classify_flow); |
| 1146 | |
| 1147 | void security_sock_graft(struct sock *sk, struct socket *parent) |
| 1148 | { |
| 1149 | security_ops->sock_graft(sk, parent); |
| 1150 | } |
| 1151 | EXPORT_SYMBOL(security_sock_graft); |
| 1152 | |
| 1153 | int security_inet_conn_request(struct sock *sk, |
| 1154 | struct sk_buff *skb, struct request_sock *req) |
| 1155 | { |
| 1156 | return security_ops->inet_conn_request(sk, skb, req); |
| 1157 | } |
| 1158 | EXPORT_SYMBOL(security_inet_conn_request); |
| 1159 | |
| 1160 | void security_inet_csk_clone(struct sock *newsk, |
| 1161 | const struct request_sock *req) |
| 1162 | { |
| 1163 | security_ops->inet_csk_clone(newsk, req); |
| 1164 | } |
| 1165 | |
| 1166 | void security_inet_conn_established(struct sock *sk, |
| 1167 | struct sk_buff *skb) |
| 1168 | { |
| 1169 | security_ops->inet_conn_established(sk, skb); |
| 1170 | } |
| 1171 | |
Eric Paris | 2606fd1 | 2010-10-13 16:24:41 -0400 | [diff] [blame] | 1172 | int security_secmark_relabel_packet(u32 secid) |
| 1173 | { |
| 1174 | return security_ops->secmark_relabel_packet(secid); |
| 1175 | } |
| 1176 | EXPORT_SYMBOL(security_secmark_relabel_packet); |
| 1177 | |
| 1178 | void security_secmark_refcount_inc(void) |
| 1179 | { |
| 1180 | security_ops->secmark_refcount_inc(); |
| 1181 | } |
| 1182 | EXPORT_SYMBOL(security_secmark_refcount_inc); |
| 1183 | |
| 1184 | void security_secmark_refcount_dec(void) |
| 1185 | { |
| 1186 | security_ops->secmark_refcount_dec(); |
| 1187 | } |
| 1188 | EXPORT_SYMBOL(security_secmark_refcount_dec); |
| 1189 | |
Paul Moore | 2b980db | 2009-08-28 18:12:43 -0400 | [diff] [blame] | 1190 | int security_tun_dev_create(void) |
| 1191 | { |
| 1192 | return security_ops->tun_dev_create(); |
| 1193 | } |
| 1194 | EXPORT_SYMBOL(security_tun_dev_create); |
| 1195 | |
| 1196 | void security_tun_dev_post_create(struct sock *sk) |
| 1197 | { |
| 1198 | return security_ops->tun_dev_post_create(sk); |
| 1199 | } |
| 1200 | EXPORT_SYMBOL(security_tun_dev_post_create); |
| 1201 | |
| 1202 | int security_tun_dev_attach(struct sock *sk) |
| 1203 | { |
| 1204 | return security_ops->tun_dev_attach(sk); |
| 1205 | } |
| 1206 | EXPORT_SYMBOL(security_tun_dev_attach); |
| 1207 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1208 | #endif /* CONFIG_SECURITY_NETWORK */ |
| 1209 | |
| 1210 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
| 1211 | |
Paul Moore | 03e1ad7 | 2008-04-12 19:07:52 -0700 | [diff] [blame] | 1212 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1213 | { |
Paul Moore | 03e1ad7 | 2008-04-12 19:07:52 -0700 | [diff] [blame] | 1214 | return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1215 | } |
| 1216 | EXPORT_SYMBOL(security_xfrm_policy_alloc); |
| 1217 | |
Paul Moore | 03e1ad7 | 2008-04-12 19:07:52 -0700 | [diff] [blame] | 1218 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
| 1219 | struct xfrm_sec_ctx **new_ctxp) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1220 | { |
Paul Moore | 03e1ad7 | 2008-04-12 19:07:52 -0700 | [diff] [blame] | 1221 | return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1222 | } |
| 1223 | |
Paul Moore | 03e1ad7 | 2008-04-12 19:07:52 -0700 | [diff] [blame] | 1224 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1225 | { |
Paul Moore | 03e1ad7 | 2008-04-12 19:07:52 -0700 | [diff] [blame] | 1226 | security_ops->xfrm_policy_free_security(ctx); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1227 | } |
| 1228 | EXPORT_SYMBOL(security_xfrm_policy_free); |
| 1229 | |
Paul Moore | 03e1ad7 | 2008-04-12 19:07:52 -0700 | [diff] [blame] | 1230 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1231 | { |
Paul Moore | 03e1ad7 | 2008-04-12 19:07:52 -0700 | [diff] [blame] | 1232 | return security_ops->xfrm_policy_delete_security(ctx); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1233 | } |
| 1234 | |
| 1235 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx) |
| 1236 | { |
| 1237 | return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0); |
| 1238 | } |
| 1239 | EXPORT_SYMBOL(security_xfrm_state_alloc); |
| 1240 | |
| 1241 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, |
| 1242 | struct xfrm_sec_ctx *polsec, u32 secid) |
| 1243 | { |
| 1244 | if (!polsec) |
| 1245 | return 0; |
| 1246 | /* |
| 1247 | * We want the context to be taken from secid which is usually |
| 1248 | * from the sock. |
| 1249 | */ |
| 1250 | return security_ops->xfrm_state_alloc_security(x, NULL, secid); |
| 1251 | } |
| 1252 | |
| 1253 | int security_xfrm_state_delete(struct xfrm_state *x) |
| 1254 | { |
| 1255 | return security_ops->xfrm_state_delete_security(x); |
| 1256 | } |
| 1257 | EXPORT_SYMBOL(security_xfrm_state_delete); |
| 1258 | |
| 1259 | void security_xfrm_state_free(struct xfrm_state *x) |
| 1260 | { |
| 1261 | security_ops->xfrm_state_free_security(x); |
| 1262 | } |
| 1263 | |
Paul Moore | 03e1ad7 | 2008-04-12 19:07:52 -0700 | [diff] [blame] | 1264 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1265 | { |
Paul Moore | 03e1ad7 | 2008-04-12 19:07:52 -0700 | [diff] [blame] | 1266 | return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1267 | } |
| 1268 | |
| 1269 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, |
David S. Miller | e33f770 | 2011-02-22 18:13:15 -0800 | [diff] [blame] | 1270 | struct xfrm_policy *xp, |
| 1271 | const struct flowi *fl) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1272 | { |
| 1273 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); |
| 1274 | } |
| 1275 | |
| 1276 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) |
| 1277 | { |
| 1278 | return security_ops->xfrm_decode_session(skb, secid, 1); |
| 1279 | } |
| 1280 | |
| 1281 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) |
| 1282 | { |
David S. Miller | 1d28f42 | 2011-03-12 00:29:39 -0500 | [diff] [blame] | 1283 | int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1284 | |
| 1285 | BUG_ON(rc); |
| 1286 | } |
| 1287 | EXPORT_SYMBOL(security_skb_classify_flow); |
| 1288 | |
| 1289 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
| 1290 | |
| 1291 | #ifdef CONFIG_KEYS |
| 1292 | |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 1293 | int security_key_alloc(struct key *key, const struct cred *cred, |
| 1294 | unsigned long flags) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1295 | { |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 1296 | return security_ops->key_alloc(key, cred, flags); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1297 | } |
| 1298 | |
| 1299 | void security_key_free(struct key *key) |
| 1300 | { |
| 1301 | security_ops->key_free(key); |
| 1302 | } |
| 1303 | |
| 1304 | int security_key_permission(key_ref_t key_ref, |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 1305 | const struct cred *cred, key_perm_t perm) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1306 | { |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 1307 | return security_ops->key_permission(key_ref, cred, perm); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1308 | } |
| 1309 | |
David Howells | 70a5bb7 | 2008-04-29 01:01:26 -0700 | [diff] [blame] | 1310 | int security_key_getsecurity(struct key *key, char **_buffer) |
| 1311 | { |
| 1312 | return security_ops->key_getsecurity(key, _buffer); |
| 1313 | } |
| 1314 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 1315 | #endif /* CONFIG_KEYS */ |
Ahmed S. Darwish | 03d37d2 | 2008-03-01 22:00:05 +0200 | [diff] [blame] | 1316 | |
| 1317 | #ifdef CONFIG_AUDIT |
| 1318 | |
| 1319 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) |
| 1320 | { |
| 1321 | return security_ops->audit_rule_init(field, op, rulestr, lsmrule); |
| 1322 | } |
| 1323 | |
| 1324 | int security_audit_rule_known(struct audit_krule *krule) |
| 1325 | { |
| 1326 | return security_ops->audit_rule_known(krule); |
| 1327 | } |
| 1328 | |
| 1329 | void security_audit_rule_free(void *lsmrule) |
| 1330 | { |
| 1331 | security_ops->audit_rule_free(lsmrule); |
| 1332 | } |
| 1333 | |
| 1334 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, |
| 1335 | struct audit_context *actx) |
| 1336 | { |
| 1337 | return security_ops->audit_rule_match(secid, field, op, lsmrule, actx); |
| 1338 | } |
| 1339 | |
| 1340 | #endif /* CONFIG_AUDIT */ |