| 1 | |
| 2 | * Capabilities Linux Security Module
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| 3 | *
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| 4 | * This is the default security module in case no other module is loaded.
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or modify
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| 7 | * it under the terms of the GNU General Public License as published by
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| 8 | * the Free Software Foundation; either version 2 of the License, or
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| 9 | * (at your option) any later version.
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| 10 | *
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| 11 |
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| 12 |
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| 13 | #include <linux/security.h>
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| 14 |
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| 15 | static int cap_syslog(int type)
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| 16 | {
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| 17 | return 0;
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| 18 | }
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| 19 |
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| 20 | static int cap_quotactl(int cmds, int type, int id, struct super_block *sb)
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| 21 | {
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| 22 | return 0;
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| 23 | }
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| 24 |
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| 25 | static int cap_quota_on(struct dentry *dentry)
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| 26 | {
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| 27 | return 0;
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| 28 | }
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| 29 |
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| 30 | static int cap_bprm_check_security(struct linux_binprm *bprm)
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| 31 | {
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| 32 | return 0;
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| 33 | }
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| 34 |
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| 35 | static void cap_bprm_committing_creds(struct linux_binprm *bprm)
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| 36 | {
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| 37 | }
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| 38 |
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| 39 | static void cap_bprm_committed_creds(struct linux_binprm *bprm)
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| 40 | {
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| 41 | }
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| 42 |
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| 43 | static int cap_sb_alloc_security(struct super_block *sb)
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| 44 | {
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| 45 | return 0;
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| 46 | }
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| 47 |
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| 48 | static void cap_sb_free_security(struct super_block *sb)
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| 49 | {
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| 50 | }
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| 51 |
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| 52 | static int cap_sb_copy_data(char *orig, char *copy)
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| 53 | {
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| 54 | return 0;
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| 55 | }
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| 56 |
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| 57 | static int cap_sb_remount(struct super_block *sb, void *data)
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| 58 | {
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| 59 | return 0;
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| 60 | }
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| 61 |
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| 62 | static int cap_sb_kern_mount(struct super_block *sb, int flags, void *data)
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| 63 | {
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| 64 | return 0;
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| 65 | }
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| 66 |
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| 67 | static int cap_sb_show_options(struct seq_file *m, struct super_block *sb)
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| 68 | {
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| 69 | return 0;
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| 70 | }
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| 71 |
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| 72 | static int cap_sb_statfs(struct dentry *dentry)
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| 73 | {
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| 74 | return 0;
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| 75 | }
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| 76 |
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| 77 | static int cap_sb_mount(const char *dev_name, struct path *path,
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| 78 | const char *type, unsigned long flags, void *data)
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| 79 | {
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| 80 | return 0;
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| 81 | }
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| 82 |
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| 83 | static int cap_sb_umount(struct vfsmount *mnt, int flags)
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| 84 | {
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| 85 | return 0;
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| 86 | }
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| 87 |
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| 88 | static int cap_sb_pivotroot(struct path *old_path, struct path *new_path)
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| 89 | {
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| 90 | return 0;
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| 91 | }
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| 92 |
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| 93 | static int cap_sb_set_mnt_opts(struct super_block *sb,
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| 94 | struct security_mnt_opts *opts,
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| 95 | unsigned long kern_flags,
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| 96 | unsigned long *set_kern_flags)
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| 97 |
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| 98 | {
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| 99 | if (unlikely(opts->num_mnt_opts))
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| 100 | return -EOPNOTSUPP;
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| 101 | return 0;
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| 102 | }
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| 103 |
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| 104 | static int cap_sb_clone_mnt_opts(const struct super_block *oldsb,
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| 105 | struct super_block *newsb)
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| 106 | {
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| 107 | return 0;
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| 108 | }
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| 109 |
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| 110 | static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
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| 111 | {
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| 112 | return 0;
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| 113 | }
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| 114 |
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| 115 | static int cap_dentry_init_security(struct dentry *dentry, int mode,
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| 116 | struct qstr *name, void **ctx,
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| 117 | u32 *ctxlen)
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| 118 | {
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| 119 | return 0;
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| 120 | }
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| 121 |
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| 122 | static int cap_inode_alloc_security(struct inode *inode)
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| 123 | {
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| 124 | return 0;
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| 125 | }
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| 126 |
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| 127 | static void cap_inode_free_security(struct inode *inode)
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| 128 | {
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| 129 | }
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| 130 |
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| 131 | static int cap_inode_init_security(struct inode *inode, struct inode *dir,
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| 132 | const struct qstr *qstr, const char **name,
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| 133 | void **value, size_t *len)
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| 134 | {
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| 135 | return -EOPNOTSUPP;
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| 136 | }
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| 137 |
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| 138 | static int cap_inode_create(struct inode *inode, struct dentry *dentry,
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| 139 | umode_t mask)
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| 140 | {
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| 141 | return 0;
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| 142 | }
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| 143 |
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| 144 | static int cap_inode_link(struct dentry *old_dentry, struct inode *inode,
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| 145 | struct dentry *new_dentry)
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| 146 | {
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| 147 | return 0;
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| 148 | }
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| 149 |
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| 150 | static int cap_inode_unlink(struct inode *inode, struct dentry *dentry)
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| 151 | {
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| 152 | return 0;
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| 153 | }
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| 154 |
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| 155 | static int cap_inode_symlink(struct inode *inode, struct dentry *dentry,
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| 156 | const char *name)
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| 157 | {
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| 158 | return 0;
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| 159 | }
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| 160 |
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| 161 | static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry,
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| 162 | umode_t mask)
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| 163 | {
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| 164 | return 0;
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| 165 | }
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| 166 |
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| 167 | static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry)
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| 168 | {
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| 169 | return 0;
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| 170 | }
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| 171 |
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| 172 | static int cap_inode_mknod(struct inode *inode, struct dentry *dentry,
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| 173 | umode_t mode, dev_t dev)
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| 174 | {
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| 175 | return 0;
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| 176 | }
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| 177 |
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| 178 | static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry,
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| 179 | struct inode *new_inode, struct dentry *new_dentry)
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| 180 | {
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| 181 | return 0;
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| 182 | }
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| 183 |
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| 184 | static int cap_inode_readlink(struct dentry *dentry)
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| 185 | {
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| 186 | return 0;
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| 187 | }
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| 188 |
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| 189 | static int cap_inode_follow_link(struct dentry *dentry,
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| 190 | struct nameidata *nameidata)
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| 191 | {
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| 192 | return 0;
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| 193 | }
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| 194 |
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| 195 | static int cap_inode_permission(struct inode *inode, int mask)
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| 196 | {
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| 197 | return 0;
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| 198 | }
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| 199 |
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| 200 | static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr)
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| 201 | {
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| 202 | return 0;
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| 203 | }
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| 204 |
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| 205 | static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
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| 206 | {
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| 207 | return 0;
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| 208 | }
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| 209 |
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| 210 | static void cap_inode_post_setxattr(struct dentry *dentry, const char *name,
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| 211 | const void *value, size_t size, int flags)
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| 212 | {
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| 213 | }
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| 214 |
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| 215 | static int cap_inode_getxattr(struct dentry *dentry, const char *name)
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| 216 | {
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| 217 | return 0;
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| 218 | }
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| 219 |
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| 220 | static int cap_inode_listxattr(struct dentry *dentry)
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| 221 | {
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| 222 | return 0;
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| 223 | }
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| 224 |
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| 225 | static int cap_inode_getsecurity(const struct inode *inode, const char *name,
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| 226 | void **buffer, bool alloc)
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| 227 | {
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| 228 | return -EOPNOTSUPP;
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| 229 | }
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| 230 |
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| 231 | static int cap_inode_setsecurity(struct inode *inode, const char *name,
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| 232 | const void *value, size_t size, int flags)
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| 233 | {
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| 234 | return -EOPNOTSUPP;
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| 235 | }
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| 236 |
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| 237 | static int cap_inode_listsecurity(struct inode *inode, char *buffer,
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| 238 | size_t buffer_size)
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| 239 | {
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| 240 | return 0;
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| 241 | }
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| 242 |
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| 243 | static void cap_inode_getsecid(const struct inode *inode, u32 *secid)
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| 244 | {
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| 245 | *secid = 0;
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| 246 | }
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| 247 |
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| 248 | #ifdef CONFIG_SECURITY_PATH
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| 249 | static int cap_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
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| 250 | unsigned int dev)
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| 251 | {
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| 252 | return 0;
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| 253 | }
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| 254 |
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| 255 | static int cap_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
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| 256 | {
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| 257 | return 0;
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| 258 | }
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| 259 |
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| 260 | static int cap_path_rmdir(struct path *dir, struct dentry *dentry)
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| 261 | {
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| 262 | return 0;
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| 263 | }
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| 264 |
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| 265 | static int cap_path_unlink(struct path *dir, struct dentry *dentry)
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| 266 | {
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| 267 | return 0;
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| 268 | }
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| 269 |
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| 270 | static int cap_path_symlink(struct path *dir, struct dentry *dentry,
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| 271 | const char *old_name)
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| 272 | {
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| 273 | return 0;
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| 274 | }
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| 275 |
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| 276 | static int cap_path_link(struct dentry *old_dentry, struct path *new_dir,
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| 277 | struct dentry *new_dentry)
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| 278 | {
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| 279 | return 0;
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| 280 | }
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| 281 |
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| 282 | static int cap_path_rename(struct path *old_path, struct dentry *old_dentry,
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| 283 | struct path *new_path, struct dentry *new_dentry)
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| 284 | {
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| 285 | return 0;
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| 286 | }
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| 287 |
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| 288 | static int cap_path_truncate(struct path *path)
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| 289 | {
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| 290 | return 0;
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| 291 | }
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| 292 |
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| 293 | static int cap_path_chmod(struct path *path, umode_t mode)
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| 294 | {
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| 295 | return 0;
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| 296 | }
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| 297 |
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| 298 | static int cap_path_chown(struct path *path, kuid_t uid, kgid_t gid)
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| 299 | {
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| 300 | return 0;
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| 301 | }
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| 302 |
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| 303 | static int cap_path_chroot(struct path *root)
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| 304 | {
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| 305 | return 0;
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| 306 | }
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| 307 | #endif
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| 308 |
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| 309 | static int cap_file_permission(struct file *file, int mask)
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| 310 | {
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| 311 | return 0;
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| 312 | }
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| 313 |
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| 314 | static int cap_file_alloc_security(struct file *file)
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| 315 | {
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| 316 | return 0;
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| 317 | }
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| 318 |
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| 319 | static void cap_file_free_security(struct file *file)
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| 320 | {
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| 321 | }
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| 322 |
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| 323 | static int cap_file_ioctl(struct file *file, unsigned int command,
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| 324 | unsigned long arg)
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| 325 | {
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| 326 | return 0;
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| 327 | }
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| 328 |
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| 329 | static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
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| 330 | unsigned long prot)
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| 331 | {
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| 332 | return 0;
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| 333 | }
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| 334 |
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| 335 | static int cap_file_lock(struct file *file, unsigned int cmd)
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| 336 | {
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| 337 | return 0;
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| 338 | }
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| 339 |
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| 340 | static int cap_file_fcntl(struct file *file, unsigned int cmd,
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| 341 | unsigned long arg)
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| 342 | {
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| 343 | return 0;
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| 344 | }
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| 345 |
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| 346 | static int cap_file_set_fowner(struct file *file)
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| 347 | {
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| 348 | return 0;
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| 349 | }
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| 350 |
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| 351 | static int cap_file_send_sigiotask(struct task_struct *tsk,
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| 352 | struct fown_struct *fown, int sig)
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| 353 | {
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| 354 | return 0;
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| 355 | }
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| 356 |
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| 357 | static int cap_file_receive(struct file *file)
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| 358 | {
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| 359 | return 0;
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| 360 | }
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| 361 |
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| 362 | static int cap_file_open(struct file *file, const struct cred *cred)
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| 363 | {
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| 364 | return 0;
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| 365 | }
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| 366 |
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| 367 | static int cap_task_create(unsigned long clone_flags)
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| 368 | {
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| 369 | return 0;
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| 370 | }
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| 371 |
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| 372 | static void cap_task_free(struct task_struct *task)
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| 373 | {
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| 374 | }
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| 375 |
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| 376 | static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp)
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| 377 | {
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| 378 | return 0;
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| 379 | }
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| 380 |
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| 381 | static void cap_cred_free(struct cred *cred)
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| 382 | {
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| 383 | }
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| 384 |
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| 385 | static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp)
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| 386 | {
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| 387 | return 0;
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| 388 | }
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| 389 |
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| 390 | static void cap_cred_transfer(struct cred *new, const struct cred *old)
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| 391 | {
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| 392 | }
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| 393 |
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| 394 | static int cap_kernel_act_as(struct cred *new, u32 secid)
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| 395 | {
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| 396 | return 0;
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| 397 | }
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| 398 |
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| 399 | static int cap_kernel_create_files_as(struct cred *new, struct inode *inode)
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| 400 | {
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| 401 | return 0;
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| 402 | }
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| 403 |
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| 404 | static int cap_kernel_module_request(char *kmod_name)
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| 405 | {
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| 406 | return 0;
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| 407 | }
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| 408 |
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| 409 | static int cap_kernel_module_from_file(struct file *file)
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| 410 | {
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| 411 | return 0;
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| 412 | }
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| 413 |
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| 414 | static int cap_task_setpgid(struct task_struct *p, pid_t pgid)
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| 415 | {
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| 416 | return 0;
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| 417 | }
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| 418 |
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| 419 | static int cap_task_getpgid(struct task_struct *p)
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| 420 | {
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| 421 | return 0;
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| 422 | }
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| 423 |
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| 424 | static int cap_task_getsid(struct task_struct *p)
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| 425 | {
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| 426 | return 0;
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| 427 | }
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| 428 |
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| 429 | static void cap_task_getsecid(struct task_struct *p, u32 *secid)
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| 430 | {
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| 431 | *secid = 0;
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| 432 | }
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| 433 |
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| 434 | static int cap_task_getioprio(struct task_struct *p)
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| 435 | {
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| 436 | return 0;
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| 437 | }
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| 438 |
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| 439 | static int cap_task_setrlimit(struct task_struct *p, unsigned int resource,
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| 440 | struct rlimit *new_rlim)
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| 441 | {
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| 442 | return 0;
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| 443 | }
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| 444 |
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| 445 | static int cap_task_getscheduler(struct task_struct *p)
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| 446 | {
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| 447 | return 0;
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| 448 | }
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| 449 |
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| 450 | static int cap_task_movememory(struct task_struct *p)
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| 451 | {
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| 452 | return 0;
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| 453 | }
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| 454 |
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| 455 | static int cap_task_wait(struct task_struct *p)
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| 456 | {
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| 457 | return 0;
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| 458 | }
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| 459 |
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| 460 | static int cap_task_kill(struct task_struct *p, struct siginfo *info,
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| 461 | int sig, u32 secid)
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| 462 | {
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| 463 | return 0;
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| 464 | }
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| 465 |
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| 466 | static void cap_task_to_inode(struct task_struct *p, struct inode *inode)
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| 467 | {
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| 468 | }
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| 469 |
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| 470 | static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
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| 471 | {
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| 472 | return 0;
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| 473 | }
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| 474 |
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| 475 | static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
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| 476 | {
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| 477 | *secid = 0;
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| 478 | }
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| 479 |
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| 480 | static int cap_msg_msg_alloc_security(struct msg_msg *msg)
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| 481 | {
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| 482 | return 0;
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| 483 | }
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| 484 |
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| 485 | static void cap_msg_msg_free_security(struct msg_msg *msg)
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| 486 | {
|
| 487 | }
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| 488 |
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| 489 | static int cap_msg_queue_alloc_security(struct msg_queue *msq)
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| 490 | {
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| 491 | return 0;
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| 492 | }
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| 493 |
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| 494 | static void cap_msg_queue_free_security(struct msg_queue *msq)
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| 495 | {
|
| 496 | }
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| 497 |
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| 498 | static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg)
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| 499 | {
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| 500 | return 0;
|
| 501 | }
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| 502 |
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| 503 | static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd)
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| 504 | {
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| 505 | return 0;
|
| 506 | }
|
| 507 |
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| 508 | static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
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| 509 | int msgflg)
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| 510 | {
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| 511 | return 0;
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| 512 | }
|
| 513 |
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| 514 | static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
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| 515 | struct task_struct *target, long type, int mode)
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| 516 | {
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| 517 | return 0;
|
| 518 | }
|
| 519 |
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| 520 | static int cap_shm_alloc_security(struct shmid_kernel *shp)
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| 521 | {
|
| 522 | return 0;
|
| 523 | }
|
| 524 |
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| 525 | static void cap_shm_free_security(struct shmid_kernel *shp)
|
| 526 | {
|
| 527 | }
|
| 528 |
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| 529 | static int cap_shm_associate(struct shmid_kernel *shp, int shmflg)
|
| 530 | {
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| 531 | return 0;
|
| 532 | }
|
| 533 |
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| 534 | static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd)
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| 535 | {
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| 536 | return 0;
|
| 537 | }
|
| 538 |
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| 539 | static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr,
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| 540 | int shmflg)
|
| 541 | {
|
| 542 | return 0;
|
| 543 | }
|
| 544 |
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| 545 | static int cap_sem_alloc_security(struct sem_array *sma)
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| 546 | {
|
| 547 | return 0;
|
| 548 | }
|
| 549 |
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| 550 | static void cap_sem_free_security(struct sem_array *sma)
|
| 551 | {
|
| 552 | }
|
| 553 |
|
| 554 | static int cap_sem_associate(struct sem_array *sma, int semflg)
|
| 555 | {
|
| 556 | return 0;
|
| 557 | }
|
| 558 |
|
| 559 | static int cap_sem_semctl(struct sem_array *sma, int cmd)
|
| 560 | {
|
| 561 | return 0;
|
| 562 | }
|
| 563 |
|
| 564 | static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops,
|
| 565 | unsigned nsops, int alter)
|
| 566 | {
|
| 567 | return 0;
|
| 568 | }
|
| 569 |
|
| 570 | #ifdef CONFIG_SECURITY_NETWORK
|
| 571 | static int cap_unix_stream_connect(struct sock *sock, struct sock *other,
|
| 572 | struct sock *newsk)
|
| 573 | {
|
| 574 | return 0;
|
| 575 | }
|
| 576 |
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| 577 | static int cap_unix_may_send(struct socket *sock, struct socket *other)
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| 578 | {
|
| 579 | return 0;
|
| 580 | }
|
| 581 |
|
| 582 | static int cap_socket_create(int family, int type, int protocol, int kern)
|
| 583 | {
|
| 584 | return 0;
|
| 585 | }
|
| 586 |
|
| 587 | static int cap_socket_post_create(struct socket *sock, int family, int type,
|
| 588 | int protocol, int kern)
|
| 589 | {
|
| 590 | return 0;
|
| 591 | }
|
| 592 |
|
| 593 | static int cap_socket_bind(struct socket *sock, struct sockaddr *address,
|
| 594 | int addrlen)
|
| 595 | {
|
| 596 | return 0;
|
| 597 | }
|
| 598 |
|
| 599 | static int cap_socket_connect(struct socket *sock, struct sockaddr *address,
|
| 600 | int addrlen)
|
| 601 | {
|
| 602 | return 0;
|
| 603 | }
|
| 604 |
|
| 605 | static int cap_socket_listen(struct socket *sock, int backlog)
|
| 606 | {
|
| 607 | return 0;
|
| 608 | }
|
| 609 |
|
| 610 | static int cap_socket_accept(struct socket *sock, struct socket *newsock)
|
| 611 | {
|
| 612 | return 0;
|
| 613 | }
|
| 614 |
|
| 615 | static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
|
| 616 | {
|
| 617 | return 0;
|
| 618 | }
|
| 619 |
|
| 620 | static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg,
|
| 621 | int size, int flags)
|
| 622 | {
|
| 623 | return 0;
|
| 624 | }
|
| 625 |
|
| 626 | static int cap_socket_getsockname(struct socket *sock)
|
| 627 | {
|
| 628 | return 0;
|
| 629 | }
|
| 630 |
|
| 631 | static int cap_socket_getpeername(struct socket *sock)
|
| 632 | {
|
| 633 | return 0;
|
| 634 | }
|
| 635 |
|
| 636 | static int cap_socket_setsockopt(struct socket *sock, int level, int optname)
|
| 637 | {
|
| 638 | return 0;
|
| 639 | }
|
| 640 |
|
| 641 | static int cap_socket_getsockopt(struct socket *sock, int level, int optname)
|
| 642 | {
|
| 643 | return 0;
|
| 644 | }
|
| 645 |
|
| 646 | static int cap_socket_shutdown(struct socket *sock, int how)
|
| 647 | {
|
| 648 | return 0;
|
| 649 | }
|
| 650 |
|
| 651 | static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
|
| 652 | {
|
| 653 | return 0;
|
| 654 | }
|
| 655 |
|
| 656 | static int cap_socket_getpeersec_stream(struct socket *sock,
|
| 657 | char __user *optval,
|
| 658 | int __user *optlen, unsigned len)
|
| 659 | {
|
| 660 | return -ENOPROTOOPT;
|
| 661 | }
|
| 662 |
|
| 663 | static int cap_socket_getpeersec_dgram(struct socket *sock,
|
| 664 | struct sk_buff *skb, u32 *secid)
|
| 665 | {
|
| 666 | return -ENOPROTOOPT;
|
| 667 | }
|
| 668 |
|
| 669 | static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority)
|
| 670 | {
|
| 671 | return 0;
|
| 672 | }
|
| 673 |
|
| 674 | static void cap_sk_free_security(struct sock *sk)
|
| 675 | {
|
| 676 | }
|
| 677 |
|
| 678 | static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk)
|
| 679 | {
|
| 680 | }
|
| 681 |
|
| 682 | static void cap_sk_getsecid(struct sock *sk, u32 *secid)
|
| 683 | {
|
| 684 | }
|
| 685 |
|
| 686 | static void cap_sock_graft(struct sock *sk, struct socket *parent)
|
| 687 | {
|
| 688 | }
|
| 689 |
|
| 690 | static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb,
|
| 691 | struct request_sock *req)
|
| 692 | {
|
| 693 | return 0;
|
| 694 | }
|
| 695 |
|
| 696 | static void cap_inet_csk_clone(struct sock *newsk,
|
| 697 | const struct request_sock *req)
|
| 698 | {
|
| 699 | }
|
| 700 |
|
| 701 | static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb)
|
| 702 | {
|
| 703 | }
|
| 704 |
|
| 705 | static int cap_secmark_relabel_packet(u32 secid)
|
| 706 | {
|
| 707 | return 0;
|
| 708 | }
|
| 709 |
|
| 710 | static void cap_secmark_refcount_inc(void)
|
| 711 | {
|
| 712 | }
|
| 713 |
|
| 714 | static void cap_secmark_refcount_dec(void)
|
| 715 | {
|
| 716 | }
|
| 717 |
|
| 718 | static void cap_req_classify_flow(const struct request_sock *req,
|
| 719 | struct flowi *fl)
|
| 720 | {
|
| 721 | }
|
| 722 |
|
| 723 | static int cap_tun_dev_alloc_security(void **security)
|
| 724 | {
|
| 725 | return 0;
|
| 726 | }
|
| 727 |
|
| 728 | static void cap_tun_dev_free_security(void *security)
|
| 729 | {
|
| 730 | }
|
| 731 |
|
| 732 | static int cap_tun_dev_create(void)
|
| 733 | {
|
| 734 | return 0;
|
| 735 | }
|
| 736 |
|
| 737 | static int cap_tun_dev_attach_queue(void *security)
|
| 738 | {
|
| 739 | return 0;
|
| 740 | }
|
| 741 |
|
| 742 | static int cap_tun_dev_attach(struct sock *sk, void *security)
|
| 743 | {
|
| 744 | return 0;
|
| 745 | }
|
| 746 |
|
| 747 | static int cap_tun_dev_open(void *security)
|
| 748 | {
|
| 749 | return 0;
|
| 750 | }
|
| 751 |
|
| 752 | static void cap_skb_owned_by(struct sk_buff *skb, struct sock *sk)
|
| 753 | {
|
| 754 | }
|
| 755 |
|
| 756 | #endif
|
| 757 |
|
| 758 | #ifdef CONFIG_SECURITY_NETWORK_XFRM
|
| 759 | static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp,
|
| 760 | struct xfrm_user_sec_ctx *sec_ctx,
|
| 761 | gfp_t gfp)
|
| 762 | {
|
| 763 | return 0;
|
| 764 | }
|
| 765 |
|
| 766 | static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx,
|
| 767 | struct xfrm_sec_ctx **new_ctxp)
|
| 768 | {
|
| 769 | return 0;
|
| 770 | }
|
| 771 |
|
| 772 | static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx)
|
| 773 | {
|
| 774 | }
|
| 775 |
|
| 776 | static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx)
|
| 777 | {
|
| 778 | return 0;
|
| 779 | }
|
| 780 |
|
| 781 | static int cap_xfrm_state_alloc(struct xfrm_state *x,
|
| 782 | struct xfrm_user_sec_ctx *sec_ctx)
|
| 783 | {
|
| 784 | return 0;
|
| 785 | }
|
| 786 |
|
| 787 | static int cap_xfrm_state_alloc_acquire(struct xfrm_state *x,
|
| 788 | struct xfrm_sec_ctx *polsec,
|
| 789 | u32 secid)
|
| 790 | {
|
| 791 | return 0;
|
| 792 | }
|
| 793 |
|
| 794 | static void cap_xfrm_state_free_security(struct xfrm_state *x)
|
| 795 | {
|
| 796 | }
|
| 797 |
|
| 798 | static int cap_xfrm_state_delete_security(struct xfrm_state *x)
|
| 799 | {
|
| 800 | return 0;
|
| 801 | }
|
| 802 |
|
| 803 | static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir)
|
| 804 | {
|
| 805 | return 0;
|
| 806 | }
|
| 807 |
|
| 808 | static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x,
|
| 809 | struct xfrm_policy *xp,
|
| 810 | const struct flowi *fl)
|
| 811 | {
|
| 812 | return 1;
|
| 813 | }
|
| 814 |
|
| 815 | static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall)
|
| 816 | {
|
| 817 | return 0;
|
| 818 | }
|
| 819 |
|
| 820 | #endif
|
| 821 | static void cap_d_instantiate(struct dentry *dentry, struct inode *inode)
|
| 822 | {
|
| 823 | }
|
| 824 |
|
| 825 | static int cap_getprocattr(struct task_struct *p, char *name, char **value)
|
| 826 | {
|
| 827 | return -EINVAL;
|
| 828 | }
|
| 829 |
|
| 830 | static int cap_setprocattr(struct task_struct *p, char *name, void *value,
|
| 831 | size_t size)
|
| 832 | {
|
| 833 | return -EINVAL;
|
| 834 | }
|
| 835 |
|
| 836 | static int cap_ismaclabel(const char *name)
|
| 837 | {
|
| 838 | return 0;
|
| 839 | }
|
| 840 |
|
| 841 | static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
|
| 842 | {
|
| 843 | return -EOPNOTSUPP;
|
| 844 | }
|
| 845 |
|
| 846 | static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
|
| 847 | {
|
| 848 | *secid = 0;
|
| 849 | return 0;
|
| 850 | }
|
| 851 |
|
| 852 | static void cap_release_secctx(char *secdata, u32 seclen)
|
| 853 | {
|
| 854 | }
|
| 855 |
|
| 856 | static int cap_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
|
| 857 | {
|
| 858 | return 0;
|
| 859 | }
|
| 860 |
|
| 861 | static int cap_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
|
| 862 | {
|
| 863 | return 0;
|
| 864 | }
|
| 865 |
|
| 866 | static int cap_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
|
| 867 | {
|
| 868 | return -EOPNOTSUPP;
|
| 869 | }
|
| 870 | #ifdef CONFIG_KEYS
|
| 871 | static int cap_key_alloc(struct key *key, const struct cred *cred,
|
| 872 | unsigned long flags)
|
| 873 | {
|
| 874 | return 0;
|
| 875 | }
|
| 876 |
|
| 877 | static void cap_key_free(struct key *key)
|
| 878 | {
|
| 879 | }
|
| 880 |
|
| 881 | static int cap_key_permission(key_ref_t key_ref, const struct cred *cred,
|
| 882 | key_perm_t perm)
|
| 883 | {
|
| 884 | return 0;
|
| 885 | }
|
| 886 |
|
| 887 | static int cap_key_getsecurity(struct key *key, char **_buffer)
|
| 888 | {
|
| 889 | *_buffer = NULL;
|
| 890 | return 0;
|
| 891 | }
|
| 892 |
|
| 893 | #endif
|
| 894 |
|
| 895 | #ifdef CONFIG_AUDIT
|
| 896 | static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
|
| 897 | {
|
| 898 | return 0;
|
| 899 | }
|
| 900 |
|
| 901 | static int cap_audit_rule_known(struct audit_krule *krule)
|
| 902 | {
|
| 903 | return 0;
|
| 904 | }
|
| 905 |
|
| 906 | static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
|
| 907 | struct audit_context *actx)
|
| 908 | {
|
| 909 | return 0;
|
| 910 | }
|
| 911 |
|
| 912 | static void cap_audit_rule_free(void *lsmrule)
|
| 913 | {
|
| 914 | }
|
| 915 | #endif
|
| 916 |
|
| 917 | #define set_to_cap_if_null(ops, function) \
|
| 918 | do { \
|
| 919 | if (!ops->function) { \
|
| 920 | ops->function = cap_##function; \
|
| 921 | pr_debug("Had to override the " #function \
|
| 922 | " security operation with the default.\n");\
|
| 923 | } \
|
| 924 | } while (0)
|
| 925 |
|
| 926 | void __init security_fixup_ops(struct security_operations *ops)
|
| 927 | {
|
| 928 | set_to_cap_if_null(ops, ptrace_access_check);
|
| 929 | set_to_cap_if_null(ops, ptrace_traceme);
|
| 930 | set_to_cap_if_null(ops, capget);
|
| 931 | set_to_cap_if_null(ops, capset);
|
| 932 | set_to_cap_if_null(ops, capable);
|
| 933 | set_to_cap_if_null(ops, quotactl);
|
| 934 | set_to_cap_if_null(ops, quota_on);
|
| 935 | set_to_cap_if_null(ops, syslog);
|
| 936 | set_to_cap_if_null(ops, settime);
|
| 937 | set_to_cap_if_null(ops, vm_enough_memory);
|
| 938 | set_to_cap_if_null(ops, bprm_set_creds);
|
| 939 | set_to_cap_if_null(ops, bprm_committing_creds);
|
| 940 | set_to_cap_if_null(ops, bprm_committed_creds);
|
| 941 | set_to_cap_if_null(ops, bprm_check_security);
|
| 942 | set_to_cap_if_null(ops, bprm_secureexec);
|
| 943 | set_to_cap_if_null(ops, sb_alloc_security);
|
| 944 | set_to_cap_if_null(ops, sb_free_security);
|
| 945 | set_to_cap_if_null(ops, sb_copy_data);
|
| 946 | set_to_cap_if_null(ops, sb_remount);
|
| 947 | set_to_cap_if_null(ops, sb_kern_mount);
|
| 948 | set_to_cap_if_null(ops, sb_show_options);
|
| 949 | set_to_cap_if_null(ops, sb_statfs);
|
| 950 | set_to_cap_if_null(ops, sb_mount);
|
| 951 | set_to_cap_if_null(ops, sb_umount);
|
| 952 | set_to_cap_if_null(ops, sb_pivotroot);
|
| 953 | set_to_cap_if_null(ops, sb_set_mnt_opts);
|
| 954 | set_to_cap_if_null(ops, sb_clone_mnt_opts);
|
| 955 | set_to_cap_if_null(ops, sb_parse_opts_str);
|
| 956 | set_to_cap_if_null(ops, dentry_init_security);
|
| 957 | set_to_cap_if_null(ops, inode_alloc_security);
|
| 958 | set_to_cap_if_null(ops, inode_free_security);
|
| 959 | set_to_cap_if_null(ops, inode_init_security);
|
| 960 | set_to_cap_if_null(ops, inode_create);
|
| 961 | set_to_cap_if_null(ops, inode_link);
|
| 962 | set_to_cap_if_null(ops, inode_unlink);
|
| 963 | set_to_cap_if_null(ops, inode_symlink);
|
| 964 | set_to_cap_if_null(ops, inode_mkdir);
|
| 965 | set_to_cap_if_null(ops, inode_rmdir);
|
| 966 | set_to_cap_if_null(ops, inode_mknod);
|
| 967 | set_to_cap_if_null(ops, inode_rename);
|
| 968 | set_to_cap_if_null(ops, inode_readlink);
|
| 969 | set_to_cap_if_null(ops, inode_follow_link);
|
| 970 | set_to_cap_if_null(ops, inode_permission);
|
| 971 | set_to_cap_if_null(ops, inode_setattr);
|
| 972 | set_to_cap_if_null(ops, inode_getattr);
|
| 973 | set_to_cap_if_null(ops, inode_setxattr);
|
| 974 | set_to_cap_if_null(ops, inode_post_setxattr);
|
| 975 | set_to_cap_if_null(ops, inode_getxattr);
|
| 976 | set_to_cap_if_null(ops, inode_listxattr);
|
| 977 | set_to_cap_if_null(ops, inode_removexattr);
|
| 978 | set_to_cap_if_null(ops, inode_need_killpriv);
|
| 979 | set_to_cap_if_null(ops, inode_killpriv);
|
| 980 | set_to_cap_if_null(ops, inode_getsecurity);
|
| 981 | set_to_cap_if_null(ops, inode_setsecurity);
|
| 982 | set_to_cap_if_null(ops, inode_listsecurity);
|
| 983 | set_to_cap_if_null(ops, inode_getsecid);
|
| 984 | #ifdef CONFIG_SECURITY_PATH
|
| 985 | set_to_cap_if_null(ops, path_mknod);
|
| 986 | set_to_cap_if_null(ops, path_mkdir);
|
| 987 | set_to_cap_if_null(ops, path_rmdir);
|
| 988 | set_to_cap_if_null(ops, path_unlink);
|
| 989 | set_to_cap_if_null(ops, path_symlink);
|
| 990 | set_to_cap_if_null(ops, path_link);
|
| 991 | set_to_cap_if_null(ops, path_rename);
|
| 992 | set_to_cap_if_null(ops, path_truncate);
|
| 993 | set_to_cap_if_null(ops, path_chmod);
|
| 994 | set_to_cap_if_null(ops, path_chown);
|
| 995 | set_to_cap_if_null(ops, path_chroot);
|
| 996 | #endif
|
| 997 | set_to_cap_if_null(ops, file_permission);
|
| 998 | set_to_cap_if_null(ops, file_alloc_security);
|
| 999 | set_to_cap_if_null(ops, file_free_security);
|
| 1000 | set_to_cap_if_null(ops, file_ioctl);
|
| 1001 | set_to_cap_if_null(ops, mmap_addr);
|
| 1002 | set_to_cap_if_null(ops, mmap_file);
|
| 1003 | set_to_cap_if_null(ops, file_mprotect);
|
| 1004 | set_to_cap_if_null(ops, file_lock);
|
| 1005 | set_to_cap_if_null(ops, file_fcntl);
|
| 1006 | set_to_cap_if_null(ops, file_set_fowner);
|
| 1007 | set_to_cap_if_null(ops, file_send_sigiotask);
|
| 1008 | set_to_cap_if_null(ops, file_receive);
|
| 1009 | set_to_cap_if_null(ops, file_open);
|
| 1010 | set_to_cap_if_null(ops, task_create);
|
| 1011 | set_to_cap_if_null(ops, task_free);
|
| 1012 | set_to_cap_if_null(ops, cred_alloc_blank);
|
| 1013 | set_to_cap_if_null(ops, cred_free);
|
| 1014 | set_to_cap_if_null(ops, cred_prepare);
|
| 1015 | set_to_cap_if_null(ops, cred_transfer);
|
| 1016 | set_to_cap_if_null(ops, kernel_act_as);
|
| 1017 | set_to_cap_if_null(ops, kernel_create_files_as);
|
| 1018 | set_to_cap_if_null(ops, kernel_module_request);
|
| 1019 | set_to_cap_if_null(ops, kernel_module_from_file);
|
| 1020 | set_to_cap_if_null(ops, task_fix_setuid);
|
| 1021 | set_to_cap_if_null(ops, task_setpgid);
|
| 1022 | set_to_cap_if_null(ops, task_getpgid);
|
| 1023 | set_to_cap_if_null(ops, task_getsid);
|
| 1024 | set_to_cap_if_null(ops, task_getsecid);
|
| 1025 | set_to_cap_if_null(ops, task_setnice);
|
| 1026 | set_to_cap_if_null(ops, task_setioprio);
|
| 1027 | set_to_cap_if_null(ops, task_getioprio);
|
| 1028 | set_to_cap_if_null(ops, task_setrlimit);
|
| 1029 | set_to_cap_if_null(ops, task_setscheduler);
|
| 1030 | set_to_cap_if_null(ops, task_getscheduler);
|
| 1031 | set_to_cap_if_null(ops, task_movememory);
|
| 1032 | set_to_cap_if_null(ops, task_wait);
|
| 1033 | set_to_cap_if_null(ops, task_kill);
|
| 1034 | set_to_cap_if_null(ops, task_prctl);
|
| 1035 | set_to_cap_if_null(ops, task_to_inode);
|
| 1036 | set_to_cap_if_null(ops, ipc_permission);
|
| 1037 | set_to_cap_if_null(ops, ipc_getsecid);
|
| 1038 | set_to_cap_if_null(ops, msg_msg_alloc_security);
|
| 1039 | set_to_cap_if_null(ops, msg_msg_free_security);
|
| 1040 | set_to_cap_if_null(ops, msg_queue_alloc_security);
|
| 1041 | set_to_cap_if_null(ops, msg_queue_free_security);
|
| 1042 | set_to_cap_if_null(ops, msg_queue_associate);
|
| 1043 | set_to_cap_if_null(ops, msg_queue_msgctl);
|
| 1044 | set_to_cap_if_null(ops, msg_queue_msgsnd);
|
| 1045 | set_to_cap_if_null(ops, msg_queue_msgrcv);
|
| 1046 | set_to_cap_if_null(ops, shm_alloc_security);
|
| 1047 | set_to_cap_if_null(ops, shm_free_security);
|
| 1048 | set_to_cap_if_null(ops, shm_associate);
|
| 1049 | set_to_cap_if_null(ops, shm_shmctl);
|
| 1050 | set_to_cap_if_null(ops, shm_shmat);
|
| 1051 | set_to_cap_if_null(ops, sem_alloc_security);
|
| 1052 | set_to_cap_if_null(ops, sem_free_security);
|
| 1053 | set_to_cap_if_null(ops, sem_associate);
|
| 1054 | set_to_cap_if_null(ops, sem_semctl);
|
| 1055 | set_to_cap_if_null(ops, sem_semop);
|
| 1056 | set_to_cap_if_null(ops, netlink_send);
|
| 1057 | set_to_cap_if_null(ops, d_instantiate);
|
| 1058 | set_to_cap_if_null(ops, getprocattr);
|
| 1059 | set_to_cap_if_null(ops, setprocattr);
|
| 1060 | set_to_cap_if_null(ops, ismaclabel);
|
| 1061 | set_to_cap_if_null(ops, secid_to_secctx);
|
| 1062 | set_to_cap_if_null(ops, secctx_to_secid);
|
| 1063 | set_to_cap_if_null(ops, release_secctx);
|
| 1064 | set_to_cap_if_null(ops, inode_notifysecctx);
|
| 1065 | set_to_cap_if_null(ops, inode_setsecctx);
|
| 1066 | set_to_cap_if_null(ops, inode_getsecctx);
|
| 1067 | #ifdef CONFIG_SECURITY_NETWORK
|
| 1068 | set_to_cap_if_null(ops, unix_stream_connect);
|
| 1069 | set_to_cap_if_null(ops, unix_may_send);
|
| 1070 | set_to_cap_if_null(ops, socket_create);
|
| 1071 | set_to_cap_if_null(ops, socket_post_create);
|
| 1072 | set_to_cap_if_null(ops, socket_bind);
|
| 1073 | set_to_cap_if_null(ops, socket_connect);
|
| 1074 | set_to_cap_if_null(ops, socket_listen);
|
| 1075 | set_to_cap_if_null(ops, socket_accept);
|
| 1076 | set_to_cap_if_null(ops, socket_sendmsg);
|
| 1077 | set_to_cap_if_null(ops, socket_recvmsg);
|
| 1078 | set_to_cap_if_null(ops, socket_getsockname);
|
| 1079 | set_to_cap_if_null(ops, socket_getpeername);
|
| 1080 | set_to_cap_if_null(ops, socket_setsockopt);
|
| 1081 | set_to_cap_if_null(ops, socket_getsockopt);
|
| 1082 | set_to_cap_if_null(ops, socket_shutdown);
|
| 1083 | set_to_cap_if_null(ops, socket_sock_rcv_skb);
|
| 1084 | set_to_cap_if_null(ops, socket_getpeersec_stream);
|
| 1085 | set_to_cap_if_null(ops, socket_getpeersec_dgram);
|
| 1086 | set_to_cap_if_null(ops, sk_alloc_security);
|
| 1087 | set_to_cap_if_null(ops, sk_free_security);
|
| 1088 | set_to_cap_if_null(ops, sk_clone_security);
|
| 1089 | set_to_cap_if_null(ops, sk_getsecid);
|
| 1090 | set_to_cap_if_null(ops, sock_graft);
|
| 1091 | set_to_cap_if_null(ops, inet_conn_request);
|
| 1092 | set_to_cap_if_null(ops, inet_csk_clone);
|
| 1093 | set_to_cap_if_null(ops, inet_conn_established);
|
| 1094 | set_to_cap_if_null(ops, secmark_relabel_packet);
|
| 1095 | set_to_cap_if_null(ops, secmark_refcount_inc);
|
| 1096 | set_to_cap_if_null(ops, secmark_refcount_dec);
|
| 1097 | set_to_cap_if_null(ops, req_classify_flow);
|
| 1098 | set_to_cap_if_null(ops, tun_dev_alloc_security);
|
| 1099 | set_to_cap_if_null(ops, tun_dev_free_security);
|
| 1100 | set_to_cap_if_null(ops, tun_dev_create);
|
| 1101 | set_to_cap_if_null(ops, tun_dev_open);
|
| 1102 | set_to_cap_if_null(ops, tun_dev_attach_queue);
|
| 1103 | set_to_cap_if_null(ops, tun_dev_attach);
|
| 1104 | set_to_cap_if_null(ops, skb_owned_by);
|
| 1105 | #endif
|
| 1106 | #ifdef CONFIG_SECURITY_NETWORK_XFRM
|
| 1107 | set_to_cap_if_null(ops, xfrm_policy_alloc_security);
|
| 1108 | set_to_cap_if_null(ops, xfrm_policy_clone_security);
|
| 1109 | set_to_cap_if_null(ops, xfrm_policy_free_security);
|
| 1110 | set_to_cap_if_null(ops, xfrm_policy_delete_security);
|
| 1111 | set_to_cap_if_null(ops, xfrm_state_alloc);
|
| 1112 | set_to_cap_if_null(ops, xfrm_state_alloc_acquire);
|
| 1113 | set_to_cap_if_null(ops, xfrm_state_free_security);
|
| 1114 | set_to_cap_if_null(ops, xfrm_state_delete_security);
|
| 1115 | set_to_cap_if_null(ops, xfrm_policy_lookup);
|
| 1116 | set_to_cap_if_null(ops, xfrm_state_pol_flow_match);
|
| 1117 | set_to_cap_if_null(ops, xfrm_decode_session);
|
| 1118 | #endif
|
| 1119 | #ifdef CONFIG_KEYS
|
| 1120 | set_to_cap_if_null(ops, key_alloc);
|
| 1121 | set_to_cap_if_null(ops, key_free);
|
| 1122 | set_to_cap_if_null(ops, key_permission);
|
| 1123 | set_to_cap_if_null(ops, key_getsecurity);
|
| 1124 | #endif
|
| 1125 | #ifdef CONFIG_AUDIT
|
| 1126 | set_to_cap_if_null(ops, audit_rule_init);
|
| 1127 | set_to_cap_if_null(ops, audit_rule_known);
|
| 1128 | set_to_cap_if_null(ops, audit_rule_match);
|
| 1129 | set_to_cap_if_null(ops, audit_rule_free);
|
| 1130 | #endif
|
| 1131 | }
|