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Checked volume designated in security API is not mounted

N2009_11_14_FIXES
jpandre 2007-10-20 07:07:03 +00:00
parent a597c1c608
commit 6a96a5cebd
1 changed files with 12 additions and 2 deletions
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14
libntfs-3g/security.c
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@ -3248,6 +3248,9 @@ int ntfs_set_owner(struct SECURITY_CONTEXT *scx,
uid = fileuid;
if ((int)gid < 0)
gid = filegid;
/* clear setuid and setgid if owner has changed */
if (fileuid != uid)
mode &= 01777;
ntfs_set_owner_mode(scx, ni, uid, gid, mode);
} else {
res = -1; /* neither owner nor root */
@ -4340,17 +4343,21 @@ ok = TRUE; /* clarification needed */
* Only allowed for root
*
* Returns an (obscured) struct SECURITY_API* needed for further calls
* NULL if not root (EPERM) or device is mounted (EBUSY)
*/
struct SECURITY_API *ntfs_initialize_file_security(const char *device,
int flags)
{
ntfs_volume *vol;
unsigned long mntflag;
int mnt;
struct SECURITY_API *scapi;
struct SECURITY_CONTEXT *scx;
scapi = (struct SECURITY_API*)NULL;
if (!getuid()) {
mnt = ntfs_check_if_mounted(device, &mntflag);
if (!mnt && !(mntflag & NTFS_MF_MOUNTED) && !getuid()) {
vol = ntfs_mount(device, flags);
if (vol) {
scapi = (struct SECURITY_API*)
@ -4372,7 +4379,10 @@ struct SECURITY_API *ntfs_initialize_file_security(const char *device,
errno = ENOMEM;
}
} else
errno = EPERM;
if (getuid())
errno = EPERM;
else
errno = EBUSY;
return (scapi);
}