diff options
author | 2013-01-23 17:07:38 -0500 | |
---|---|---|
committer | 2013-02-22 23:31:31 -0500 | |
commit | 496ad9aa8ef448058e36ca7a787c61f2e63f0f54 (patch) | |
tree | 8f4abde793cd7db5bb8fde6d27ebcacd0e54379a /security | |
parent | mount: consolidate permission checks (diff) | |
download | linux-496ad9aa8ef448058e36ca7a787c61f2e63f0f54.tar.gz linux-496ad9aa8ef448058e36ca7a787c61f2e63f0f54.tar.bz2 linux-496ad9aa8ef448058e36ca7a787c61f2e63f0f54.zip |
new helper: file_inode(file)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'security')
-rw-r--r-- | security/apparmor/domain.c | 4 | ||||
-rw-r--r-- | security/apparmor/file.c | 4 | ||||
-rw-r--r-- | security/apparmor/lsm.c | 6 | ||||
-rw-r--r-- | security/integrity/ima/ima_api.c | 6 | ||||
-rw-r--r-- | security/integrity/ima/ima_crypto.c | 2 | ||||
-rw-r--r-- | security/integrity/ima/ima_main.c | 4 | ||||
-rw-r--r-- | security/selinux/hooks.c | 10 | ||||
-rw-r--r-- | security/selinux/selinuxfs.c | 20 | ||||
-rw-r--r-- | security/smack/smack_lsm.c | 14 | ||||
-rw-r--r-- | security/tomoyo/securityfs_if.c | 2 |
10 files changed, 31 insertions, 41 deletions
diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c index 60f0c76a27d3..859abdaac1ea 100644 --- a/security/apparmor/domain.c +++ b/security/apparmor/domain.c @@ -349,8 +349,8 @@ int apparmor_bprm_set_creds(struct linux_binprm *bprm) unsigned int state; struct file_perms perms = {}; struct path_cond cond = { - bprm->file->f_path.dentry->d_inode->i_uid, - bprm->file->f_path.dentry->d_inode->i_mode + file_inode(bprm->file)->i_uid, + file_inode(bprm->file)->i_mode }; const char *name = NULL, *target = NULL, *info = NULL; int error = cap_bprm_set_creds(bprm); diff --git a/security/apparmor/file.c b/security/apparmor/file.c index cd21ec5b90af..fdaa50cb1876 100644 --- a/security/apparmor/file.c +++ b/security/apparmor/file.c @@ -449,8 +449,8 @@ int aa_file_perm(int op, struct aa_profile *profile, struct file *file, u32 request) { struct path_cond cond = { - .uid = file->f_path.dentry->d_inode->i_uid, - .mode = file->f_path.dentry->d_inode->i_mode + .uid = file_inode(file)->i_uid, + .mode = file_inode(file)->i_mode }; return aa_path_perm(op, profile, &file->f_path, PATH_DELEGATE_DELETED, diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index 8c2a7f6b35e2..b21830eced41 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -379,7 +379,7 @@ static int apparmor_file_open(struct file *file, const struct cred *cred) struct aa_profile *profile; int error = 0; - if (!mediated_filesystem(file->f_path.dentry->d_inode)) + if (!mediated_filesystem(file_inode(file))) return 0; /* If in exec, permission is handled by bprm hooks. @@ -394,7 +394,7 @@ static int apparmor_file_open(struct file *file, const struct cred *cred) profile = aa_cred_profile(cred); if (!unconfined(profile)) { - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct path_cond cond = { inode->i_uid, inode->i_mode }; error = aa_path_perm(OP_OPEN, profile, &file->f_path, 0, @@ -432,7 +432,7 @@ static int common_file_perm(int op, struct file *file, u32 mask) BUG_ON(!fprofile); if (!file->f_path.mnt || - !mediated_filesystem(file->f_path.dentry->d_inode)) + !mediated_filesystem(file_inode(file))) return 0; profile = __aa_current_profile(); diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c index 0cea3db21657..27cb9eb42cc8 100644 --- a/security/integrity/ima/ima_api.c +++ b/security/integrity/ima/ima_api.c @@ -140,12 +140,12 @@ int ima_must_measure(struct inode *inode, int mask, int function) int ima_collect_measurement(struct integrity_iint_cache *iint, struct file *file) { - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file_inode(file); const char *filename = file->f_dentry->d_name.name; int result = 0; if (!(iint->flags & IMA_COLLECTED)) { - u64 i_version = file->f_dentry->d_inode->i_version; + u64 i_version = file_inode(file)->i_version; iint->ima_xattr.type = IMA_XATTR_DIGEST; result = ima_calc_hash(file, iint->ima_xattr.digest); @@ -182,7 +182,7 @@ void ima_store_measurement(struct integrity_iint_cache *iint, const char *op = "add_template_measure"; const char *audit_cause = "ENOMEM"; int result = -ENOMEM; - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file_inode(file); struct ima_template_entry *entry; int violation = 0; diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c index b21ee5b5495a..81dcaa26401e 100644 --- a/security/integrity/ima/ima_crypto.c +++ b/security/integrity/ima/ima_crypto.c @@ -63,7 +63,7 @@ int ima_calc_hash(struct file *file, char *digest) file->f_mode |= FMODE_READ; read = 1; } - i_size = i_size_read(file->f_dentry->d_inode); + i_size = i_size_read(file_inode(file)); while (offset < i_size) { int rbuf_len; diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index dba965de90d3..e7a147f7d371 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -132,7 +132,7 @@ static void ima_check_last_writer(struct integrity_iint_cache *iint, */ void ima_file_free(struct file *file) { - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file_inode(file); struct integrity_iint_cache *iint; if (!iint_initialized || !S_ISREG(inode->i_mode)) @@ -148,7 +148,7 @@ void ima_file_free(struct file *file) static int process_measurement(struct file *file, const unsigned char *filename, int mask, int function) { - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file_inode(file); struct integrity_iint_cache *iint; unsigned char *pathname = NULL, *pathbuf = NULL; int rc = -ENOMEM, action, must_appraise; diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 61a53367d029..2963c689f9c0 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1528,7 +1528,7 @@ static int file_has_perm(const struct cred *cred, u32 av) { struct file_security_struct *fsec = file->f_security; - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct common_audit_data ad; u32 sid = cred_sid(cred); int rc; @@ -1957,7 +1957,7 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm) struct task_security_struct *new_tsec; struct inode_security_struct *isec; struct common_audit_data ad; - struct inode *inode = bprm->file->f_path.dentry->d_inode; + struct inode *inode = file_inode(bprm->file); int rc; rc = cap_bprm_set_creds(bprm); @@ -2929,7 +2929,7 @@ static void selinux_inode_getsecid(const struct inode *inode, u32 *secid) static int selinux_revalidate_file_permission(struct file *file, int mask) { const struct cred *cred = current_cred(); - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); /* file_mask_to_av won't add FILE__WRITE if MAY_APPEND is set */ if ((file->f_flags & O_APPEND) && (mask & MAY_WRITE)) @@ -2941,7 +2941,7 @@ static int selinux_revalidate_file_permission(struct file *file, int mask) static int selinux_file_permission(struct file *file, int mask) { - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct file_security_struct *fsec = file->f_security; struct inode_security_struct *isec = inode->i_security; u32 sid = current_sid(); @@ -3218,7 +3218,7 @@ static int selinux_file_open(struct file *file, const struct cred *cred) struct inode_security_struct *isec; fsec = file->f_security; - isec = file->f_path.dentry->d_inode->i_security; + isec = file_inode(file)->i_security; /* * Save inode label and policy sequence number * at open-time so that selinux_file_permission diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index 3a6e8731646c..ff427733c290 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -202,7 +202,7 @@ static ssize_t sel_read_handle_unknown(struct file *filp, char __user *buf, { char tmpbuf[TMPBUFLEN]; ssize_t length; - ino_t ino = filp->f_path.dentry->d_inode->i_ino; + ino_t ino = file_inode(filp)->i_ino; int handle_unknown = (ino == SEL_REJECT_UNKNOWN) ? security_get_reject_unknown() : !security_get_allow_unknown(); @@ -671,7 +671,7 @@ static ssize_t (*write_op[])(struct file *, char *, size_t) = { static ssize_t selinux_transaction_write(struct file *file, const char __user *buf, size_t size, loff_t *pos) { - ino_t ino = file->f_path.dentry->d_inode->i_ino; + ino_t ino = file_inode(file)->i_ino; char *data; ssize_t rv; @@ -1042,8 +1042,7 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf, ssize_t length; ssize_t ret; int cur_enforcing; - struct inode *inode = filep->f_path.dentry->d_inode; - unsigned index = inode->i_ino & SEL_INO_MASK; + unsigned index = file_inode(filep)->i_ino & SEL_INO_MASK; const char *name = filep->f_path.dentry->d_name.name; mutex_lock(&sel_mutex); @@ -1077,8 +1076,7 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf, char *page = NULL; ssize_t length; int new_value; - struct inode *inode = filep->f_path.dentry->d_inode; - unsigned index = inode->i_ino & SEL_INO_MASK; + unsigned index = file_inode(filep)->i_ino & SEL_INO_MASK; const char *name = filep->f_path.dentry->d_name.name; mutex_lock(&sel_mutex); @@ -1486,13 +1484,11 @@ static int sel_make_avc_files(struct dentry *dir) static ssize_t sel_read_initcon(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct inode *inode; char *con; u32 sid, len; ssize_t ret; - inode = file->f_path.dentry->d_inode; - sid = inode->i_ino&SEL_INO_MASK; + sid = file_inode(file)->i_ino&SEL_INO_MASK; ret = security_sid_to_context(sid, &con, &len); if (ret) return ret; @@ -1553,7 +1549,7 @@ static inline u32 sel_ino_to_perm(unsigned long ino) static ssize_t sel_read_class(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - unsigned long ino = file->f_path.dentry->d_inode->i_ino; + unsigned long ino = file_inode(file)->i_ino; char res[TMPBUFLEN]; ssize_t len = snprintf(res, sizeof(res), "%d", sel_ino_to_class(ino)); return simple_read_from_buffer(buf, count, ppos, res, len); @@ -1567,7 +1563,7 @@ static const struct file_operations sel_class_ops = { static ssize_t sel_read_perm(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - unsigned long ino = file->f_path.dentry->d_inode->i_ino; + unsigned long ino = file_inode(file)->i_ino; char res[TMPBUFLEN]; ssize_t len = snprintf(res, sizeof(res), "%d", sel_ino_to_perm(ino)); return simple_read_from_buffer(buf, count, ppos, res, len); @@ -1584,7 +1580,7 @@ static ssize_t sel_read_policycap(struct file *file, char __user *buf, int value; char tmpbuf[TMPBUFLEN]; ssize_t length; - unsigned long i_ino = file->f_path.dentry->d_inode->i_ino; + unsigned long i_ino = file_inode(file)->i_ino; value = security_policycap_supported(i_ino & SEL_INO_MASK); length = scnprintf(tmpbuf, TMPBUFLEN, "%d", value); diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 38be92ce901e..fa64740abb59 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -456,7 +456,7 @@ static int smack_sb_umount(struct vfsmount *mnt, int flags) */ static int smack_bprm_set_creds(struct linux_binprm *bprm) { - struct inode *inode = bprm->file->f_path.dentry->d_inode; + struct inode *inode = file_inode(bprm->file); struct task_smack *bsp = bprm->cred->security; struct inode_smack *isp; int rc; @@ -1187,21 +1187,15 @@ static int smack_mmap_file(struct file *file, char *msmack; char *osmack; struct inode_smack *isp; - struct dentry *dp; int may; int mmay; int tmay; int rc; - if (file == NULL || file->f_dentry == NULL) - return 0; - - dp = file->f_dentry; - - if (dp->d_inode == NULL) + if (file == NULL) return 0; - isp = dp->d_inode->i_security; + isp = file_inode(file)->i_security; if (isp->smk_mmap == NULL) return 0; msmack = isp->smk_mmap; @@ -1359,7 +1353,7 @@ static int smack_file_receive(struct file *file) */ static int smack_file_open(struct file *file, const struct cred *cred) { - struct inode_smack *isp = file->f_path.dentry->d_inode->i_security; + struct inode_smack *isp = file_inode(file)->i_security; file->f_security = isp->smk_inode; diff --git a/security/tomoyo/securityfs_if.c b/security/tomoyo/securityfs_if.c index 8592f2fc6ebb..fcf32783b66b 100644 --- a/security/tomoyo/securityfs_if.c +++ b/security/tomoyo/securityfs_if.c @@ -135,7 +135,7 @@ static const struct file_operations tomoyo_self_operations = { */ static int tomoyo_open(struct inode *inode, struct file *file) { - const int key = ((u8 *) file->f_path.dentry->d_inode->i_private) + const int key = ((u8 *) file_inode(file)->i_private) - ((u8 *) NULL); return tomoyo_open_control(key, file); } |