Mercurial > yaffs-ecoscentric-gpl
changeset 36:e98ab6dcd6b7
Set the correct uid/gid of newly created files when: use fsuid & fsgid and take care when the SGID bit is set on the parent directory.
This should solve the problem reported by Frank Lehmann (http://lists.aleph1.co.uk/pipermail/yaffs/2005q2/001178.html).
| author | luc <luc> |
|---|---|
| date | Fri, 29 Jul 2005 20:25:43 +0000 |
| parents | 0fa2cdd2f9d3 |
| children | 843d9d0add74 |
| files | yaffs_fs.c |
| diffstat | 1 files changed, 10 insertions(+), 6 deletions(-) [+] |
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--- a/yaffs_fs.c +++ b/yaffs_fs.c @@ -30,7 +30,7 @@ */ -const char *yaffs_fs_c_version = "$Id: yaffs_fs.c,v 1.13 2005-07-29 20:13:23 luc Exp $"; +const char *yaffs_fs_c_version = "$Id: yaffs_fs.c,v 1.14 2005-07-29 20:25:43 luc Exp $"; extern const char *yaffs_guts_c_version; @@ -904,6 +904,8 @@ static int yaffs_mknod(struct inode *dir yaffs_Object *parent = yaffs_InodeToObject(dir); int error = -ENOSPC; + uid_t uid = current->fsuid; + gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid; if(parent) { @@ -929,18 +931,18 @@ static int yaffs_mknod(struct inode *dir // Special (socket, fifo, device...) T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_mknod: making special\n")); #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) - obj = yaffs_MknodSpecial(parent,dentry->d_name.name,mode,current->uid, current->gid,old_encode_dev(rdev)); + obj = yaffs_MknodSpecial(parent,dentry->d_name.name,mode,uid, gid,old_encode_dev(rdev)); #else - obj = yaffs_MknodSpecial(parent,dentry->d_name.name,mode,current->uid, current->gid,rdev); + obj = yaffs_MknodSpecial(parent,dentry->d_name.name,mode,uid, gid,rdev); #endif break; case S_IFREG: // file T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_mknod: making file\n")); - obj = yaffs_MknodFile(parent,dentry->d_name.name,mode,current->uid, current->gid); + obj = yaffs_MknodFile(parent,dentry->d_name.name,mode,uid, gid); break; case S_IFDIR: // directory T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_mknod: making directory\n")); - obj = yaffs_MknodDirectory(parent,dentry->d_name.name,mode,current->uid, current->gid); + obj = yaffs_MknodDirectory(parent,dentry->d_name.name,mode,uid, gid); break; case S_IFLNK: // symlink T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_mknod: making file\n")); @@ -1076,13 +1078,15 @@ static int yaffs_symlink(struct inode * { yaffs_Object *obj; yaffs_Device *dev; + uid_t uid = current->fsuid; + gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid; T(YAFFS_TRACE_OS,(KERN_DEBUG"yaffs_symlink\n")); dev = yaffs_InodeToObject(dir)->myDev; yaffs_GrossLock(dev); obj = yaffs_MknodSymLink(yaffs_InodeToObject(dir), dentry->d_name.name, - S_IFLNK | S_IRWXUGO, current->uid, current->gid, + S_IFLNK | S_IRWXUGO, uid, gid, symname); yaffs_GrossUnlock(dev);