diff options
Diffstat (limited to 'security/tomoyo/tomoyo.c')
| -rw-r--r-- | security/tomoyo/tomoyo.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c index dedd97d0c163..95d3f9572237 100644 --- a/security/tomoyo/tomoyo.c +++ b/security/tomoyo/tomoyo.c @@ -3,10 +3,7 @@ * * LSM hooks for TOMOYO Linux. * - * Copyright (C) 2005-2009 NTT DATA CORPORATION - * - * Version: 2.2.0 2009/04/01 - * + * Copyright (C) 2005-2010 NTT DATA CORPORATION */ #include <linux/security.h> @@ -96,8 +93,7 @@ static int tomoyo_bprm_check_security(struct linux_binprm *bprm) return tomoyo_check_open_permission(domain, &bprm->file->f_path, O_RDONLY); } -static int tomoyo_path_truncate(struct path *path, loff_t length, - unsigned int time_attrs) +static int tomoyo_path_truncate(struct path *path) { return tomoyo_path_perm(TOMOYO_TYPE_TRUNCATE, path); } @@ -112,7 +108,8 @@ static int tomoyo_path_mkdir(struct path *parent, struct dentry *dentry, int mode) { struct path path = { parent->mnt, dentry }; - return tomoyo_path_perm(TOMOYO_TYPE_MKDIR, &path); + return tomoyo_path_number_perm(TOMOYO_TYPE_MKDIR, &path, + mode & S_IALLUGO); } static int tomoyo_path_rmdir(struct path *parent, struct dentry *dentry) @@ -133,6 +130,7 @@ static int tomoyo_path_mknod(struct path *parent, struct dentry *dentry, { struct path path = { parent->mnt, dentry }; int type = TOMOYO_TYPE_CREATE; + const unsigned int perm = mode & S_IALLUGO; switch (mode & S_IFMT) { case S_IFCHR: @@ -141,6 +139,12 @@ static int tomoyo_path_mknod(struct path *parent, struct dentry *dentry, case S_IFBLK: type = TOMOYO_TYPE_MKBLOCK; break; + default: + goto no_dev; + } + return tomoyo_mkdev_perm(type, &path, perm, dev); + no_dev: + switch (mode & S_IFMT) { case S_IFIFO: type = TOMOYO_TYPE_MKFIFO; break; @@ -148,7 +152,7 @@ static int tomoyo_path_mknod(struct path *parent, struct dentry *dentry, type = TOMOYO_TYPE_MKSOCK; break; } - return tomoyo_path_perm(type, &path); + return tomoyo_path_number_perm(type, &path, perm); } static int tomoyo_path_link(struct dentry *old_dentry, struct path *new_dir, @@ -173,7 +177,7 @@ static int tomoyo_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) { if (cmd == F_SETFL && ((arg ^ file->f_flags) & O_APPEND)) - return tomoyo_check_rewrite_permission(file); + return tomoyo_path_perm(TOMOYO_TYPE_REWRITE, &file->f_path); return 0; } @@ -189,23 +193,24 @@ static int tomoyo_dentry_open(struct file *f, const struct cred *cred) static int tomoyo_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - return tomoyo_path_perm(TOMOYO_TYPE_IOCTL, &file->f_path); + return tomoyo_path_number_perm(TOMOYO_TYPE_IOCTL, &file->f_path, cmd); } static int tomoyo_path_chmod(struct dentry *dentry, struct vfsmount *mnt, mode_t mode) { struct path path = { mnt, dentry }; - return tomoyo_path_perm(TOMOYO_TYPE_CHMOD, &path); + return tomoyo_path_number_perm(TOMOYO_TYPE_CHMOD, &path, + mode & S_IALLUGO); } static int tomoyo_path_chown(struct path *path, uid_t uid, gid_t gid) { int error = 0; if (uid != (uid_t) -1) - error = tomoyo_path_perm(TOMOYO_TYPE_CHOWN, path); + error = tomoyo_path_number_perm(TOMOYO_TYPE_CHOWN, path, uid); if (!error && gid != (gid_t) -1) - error = tomoyo_path_perm(TOMOYO_TYPE_CHGRP, path); + error = tomoyo_path_number_perm(TOMOYO_TYPE_CHGRP, path, gid); return error; } @@ -217,7 +222,7 @@ static int tomoyo_path_chroot(struct path *path) static int tomoyo_sb_mount(char *dev_name, struct path *path, char *type, unsigned long flags, void *data) { - return tomoyo_path_perm(TOMOYO_TYPE_MOUNT, path); + return tomoyo_mount_permission(dev_name, path, type, flags, data); } static int tomoyo_sb_umount(struct vfsmount *mnt, int flags) @@ -277,7 +282,7 @@ static int __init tomoyo_init(void) panic("Failure registering TOMOYO Linux"); printk(KERN_INFO "TOMOYO Linux initialized\n"); cred->security = &tomoyo_kernel_domain; - tomoyo_realpath_init(); + tomoyo_mm_init(); return 0; } |