diff options
Diffstat (limited to 'fs/attr.c')
| -rw-r--r-- | fs/attr.c | 13 | 
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/attr.c b/fs/attr.c index 29e38a1f7f7..1449adb14ef 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -14,6 +14,7 @@  #include <linux/fcntl.h>  #include <linux/security.h>  #include <linux/evm.h> +#include <linux/ima.h>  /**   * inode_change_ok - check if attribute changes to an inode are allowed @@ -48,14 +49,15 @@ int inode_change_ok(const struct inode *inode, struct iattr *attr)  	/* Make sure a caller can chown. */  	if ((ia_valid & ATTR_UID) &&  	    (!uid_eq(current_fsuid(), inode->i_uid) || -	     !uid_eq(attr->ia_uid, inode->i_uid)) && !capable(CAP_CHOWN)) +	     !uid_eq(attr->ia_uid, inode->i_uid)) && +	    !inode_capable(inode, CAP_CHOWN))  		return -EPERM;  	/* Make sure caller can chgrp. */  	if ((ia_valid & ATTR_GID) &&  	    (!uid_eq(current_fsuid(), inode->i_uid) ||  	    (!in_group_p(attr->ia_gid) && !gid_eq(attr->ia_gid, inode->i_gid))) && -	    !capable(CAP_CHOWN)) +	    !inode_capable(inode, CAP_CHOWN))  		return -EPERM;  	/* Make sure a caller can chmod. */ @@ -64,7 +66,8 @@ int inode_change_ok(const struct inode *inode, struct iattr *attr)  			return -EPERM;  		/* Also check the setgid bit! */  		if (!in_group_p((ia_valid & ATTR_GID) ? attr->ia_gid : -				inode->i_gid) && !capable(CAP_FSETID)) +				inode->i_gid) && +		    !inode_capable(inode, CAP_FSETID))  			attr->ia_mode &= ~S_ISGID;  	} @@ -156,7 +159,8 @@ void setattr_copy(struct inode *inode, const struct iattr *attr)  	if (ia_valid & ATTR_MODE) {  		umode_t mode = attr->ia_mode; -		if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID)) +		if (!in_group_p(inode->i_gid) && +		    !inode_capable(inode, CAP_FSETID))  			mode &= ~S_ISGID;  		inode->i_mode = mode;  	} @@ -247,6 +251,7 @@ int notify_change(struct dentry * dentry, struct iattr * attr)  	if (!error) {  		fsnotify_change(dentry, ia_valid); +		ima_inode_post_setattr(dentry);  		evm_inode_post_setattr(dentry, ia_valid);  	}  |