diff options
Diffstat (limited to 'security/apparmor/file.c')
-rw-r--r-- | security/apparmor/file.c | 80 |
1 files changed, 40 insertions, 40 deletions
diff --git a/security/apparmor/file.c b/security/apparmor/file.c index 4d2af4b01033..750564c3ab71 100644 --- a/security/apparmor/file.c +++ b/security/apparmor/file.c @@ -67,24 +67,24 @@ static void file_audit_cb(struct audit_buffer *ab, void *va) struct common_audit_data *sa = va; kuid_t fsuid = current_fsuid(); - if (sa->aad->fs.request & AA_AUDIT_FILE_MASK) { + if (aad(sa)->fs.request & AA_AUDIT_FILE_MASK) { audit_log_format(ab, " requested_mask="); - audit_file_mask(ab, sa->aad->fs.request); + audit_file_mask(ab, aad(sa)->fs.request); } - if (sa->aad->fs.denied & AA_AUDIT_FILE_MASK) { + if (aad(sa)->fs.denied & AA_AUDIT_FILE_MASK) { audit_log_format(ab, " denied_mask="); - audit_file_mask(ab, sa->aad->fs.denied); + audit_file_mask(ab, aad(sa)->fs.denied); } - if (sa->aad->fs.request & AA_AUDIT_FILE_MASK) { + if (aad(sa)->fs.request & AA_AUDIT_FILE_MASK) { audit_log_format(ab, " fsuid=%d", from_kuid(&init_user_ns, fsuid)); audit_log_format(ab, " ouid=%d", - from_kuid(&init_user_ns, sa->aad->fs.ouid)); + from_kuid(&init_user_ns, aad(sa)->fs.ouid)); } - if (sa->aad->fs.target) { + if (aad(sa)->fs.target) { audit_log_format(ab, " target="); - audit_log_untrustedstring(ab, sa->aad->fs.target); + audit_log_untrustedstring(ab, aad(sa)->fs.target); } } @@ -104,54 +104,53 @@ static void file_audit_cb(struct audit_buffer *ab, void *va) * Returns: %0 or error on failure */ int aa_audit_file(struct aa_profile *profile, struct file_perms *perms, - gfp_t gfp, int op, u32 request, const char *name, + const char *op, u32 request, const char *name, const char *target, kuid_t ouid, const char *info, int error) { int type = AUDIT_APPARMOR_AUTO; - struct common_audit_data sa; - struct apparmor_audit_data aad = {0,}; - sa.type = LSM_AUDIT_DATA_TASK; + DEFINE_AUDIT_DATA(sa, LSM_AUDIT_DATA_TASK, op); + + sa.u.tsk = NULL; + aad(&sa)->fs.request = request; + aad(&sa)->name = name; + aad(&sa)->fs.target = target; + aad(&sa)->fs.ouid = ouid; + aad(&sa)->info = info; + aad(&sa)->error = error; sa.u.tsk = NULL; - sa.aad = &aad; - aad.op = op, - aad.fs.request = request; - aad.name = name; - aad.fs.target = target; - aad.fs.ouid = ouid; - aad.info = info; - aad.error = error; - - if (likely(!sa.aad->error)) { + + if (likely(!aad(&sa)->error)) { u32 mask = perms->audit; if (unlikely(AUDIT_MODE(profile) == AUDIT_ALL)) mask = 0xffff; /* mask off perms that are not being force audited */ - sa.aad->fs.request &= mask; + aad(&sa)->fs.request &= mask; - if (likely(!sa.aad->fs.request)) + if (likely(!aad(&sa)->fs.request)) return 0; type = AUDIT_APPARMOR_AUDIT; } else { /* only report permissions that were denied */ - sa.aad->fs.request = sa.aad->fs.request & ~perms->allow; + aad(&sa)->fs.request = aad(&sa)->fs.request & ~perms->allow; + AA_BUG(!aad(&sa)->fs.request); - if (sa.aad->fs.request & perms->kill) + if (aad(&sa)->fs.request & perms->kill) type = AUDIT_APPARMOR_KILL; /* quiet known rejects, assumes quiet and kill do not overlap */ - if ((sa.aad->fs.request & perms->quiet) && + if ((aad(&sa)->fs.request & perms->quiet) && AUDIT_MODE(profile) != AUDIT_NOQUIET && AUDIT_MODE(profile) != AUDIT_ALL) - sa.aad->fs.request &= ~perms->quiet; + aad(&sa)->fs.request &= ~perms->quiet; - if (!sa.aad->fs.request) - return COMPLAIN_MODE(profile) ? 0 : sa.aad->error; + if (!aad(&sa)->fs.request) + return COMPLAIN_MODE(profile) ? 0 : aad(&sa)->error; } - sa.aad->fs.denied = sa.aad->fs.request & ~perms->allow; - return aa_audit(type, profile, gfp, &sa, file_audit_cb); + aad(&sa)->fs.denied = aad(&sa)->fs.request & ~perms->allow; + return aa_audit(type, profile, &sa, file_audit_cb); } /** @@ -276,8 +275,9 @@ static inline bool is_deleted(struct dentry *dentry) * * Returns: %0 else error if access denied or other error */ -int aa_path_perm(int op, struct aa_profile *profile, const struct path *path, - int flags, u32 request, struct path_cond *cond) +int aa_path_perm(const char *op, struct aa_profile *profile, + const struct path *path, int flags, u32 request, + struct path_cond *cond) { char *buffer = NULL; struct file_perms perms = {}; @@ -301,8 +301,8 @@ int aa_path_perm(int op, struct aa_profile *profile, const struct path *path, if (request & ~perms.allow) error = -EACCES; } - error = aa_audit_file(profile, &perms, GFP_KERNEL, op, request, name, - NULL, cond->uid, info, error); + error = aa_audit_file(profile, &perms, op, request, name, NULL, + cond->uid, info, error); kfree(buffer); return error; @@ -349,8 +349,8 @@ static inline bool xindex_is_subset(u32 link, u32 target) int aa_path_link(struct aa_profile *profile, struct dentry *old_dentry, const struct path *new_dir, struct dentry *new_dentry) { - struct path link = { new_dir->mnt, new_dentry }; - struct path target = { new_dir->mnt, old_dentry }; + struct path link = { .mnt = new_dir->mnt, .dentry = new_dentry }; + struct path target = { .mnt = new_dir->mnt, .dentry = old_dentry }; struct path_cond cond = { d_backing_inode(old_dentry)->i_uid, d_backing_inode(old_dentry)->i_mode @@ -429,7 +429,7 @@ done_tests: error = 0; audit: - error = aa_audit_file(profile, &lperms, GFP_KERNEL, OP_LINK, request, + error = aa_audit_file(profile, &lperms, OP_LINK, request, lname, tname, cond.uid, info, error); kfree(buffer); kfree(buffer2); @@ -446,7 +446,7 @@ audit: * * Returns: %0 if access allowed else error */ -int aa_file_perm(int op, struct aa_profile *profile, struct file *file, +int aa_file_perm(const char *op, struct aa_profile *profile, struct file *file, u32 request) { struct path_cond cond = { |