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Fixed several endianness errors

N2009_11_14_FIXES
jpandre 2007-10-19 07:16:21 +00:00
parent 62407b6b1e
commit 6886650afc
2 changed files with 30 additions and 23 deletions
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7
include/ntfs-3g/security.h
View File

@ -177,6 +177,12 @@ struct SECURITY_API {
struct SECURITY_CACHE *seccache;
} ;
/*
* The following constants are used in interfacing external programs.
* They are not to be stored on disk and must be defined in their
* native cpu representation.
* When disk representation (le) is needed, use SE_DACL_PRESENT, etc.
*/
enum { OWNER_SECURITY_INFORMATION = 1,
GROUP_SECURITY_INFORMATION = 2,
DACL_SECURITY_INFORMATION = 4,
@ -194,5 +200,4 @@ struct SECURITY_API *ntfs_initialize_file_security(const char *device,
int flags);
BOOL ntfs_leave_file_security(struct SECURITY_API *scx);
#endif /* defined _NTFS_SECURITY_H */

46
libntfs-3g/security.c
View File

@ -3909,7 +3909,8 @@ static BOOL feedsecurityattr(const char *attr, u32 selection,
size = 0;
/* locate DACL if requested and available */
if (selection & phead->control & DACL_SECURITY_INFORMATION) {
if (le16_to_cpu(phead->control)
& (selection & DACL_SECURITY_INFORMATION)) {
offdacl = le32_to_cpu(phead->dacl);
pdacl = (const ACL*)&attr[offdacl];
daclsz = le16_to_cpu(pdacl->size);
@ -3943,7 +3944,8 @@ static BOOL feedsecurityattr(const char *attr, u32 selection,
offgroup = gsidsz = 0;
/* locate SACL if requested and available */
if (selection & phead->control & SACL_SECURITY_INFORMATION) {
if (le16_to_cpu(phead->control)
& (selection & SACL_SECURITY_INFORMATION)) {
/* find end of SACL */
offsacl = le32_to_cpu(phead->sacl);
psacl = (const ACL*)&attr[offsacl];
@ -3966,40 +3968,40 @@ static BOOL feedsecurityattr(const char *attr, u32 selection,
/* copy header and feed new flags */
memcpy(buf,attr,sizeof(SECURITY_DESCRIPTOR_RELATIVE));
pnhead = (SECURITY_DESCRIPTOR_RELATIVE*)buf;
pnhead->control = avail;
pnhead->control = cpu_to_le16(avail);
pos = sizeof(SECURITY_DESCRIPTOR_RELATIVE);
/* copy DACL if requested */
if (selection & DACL_SECURITY_INFORMATION) {
pnhead->dacl = pos;
pnhead->dacl = cpu_to_le32(pos);
memcpy(&buf[pos],&attr[offdacl],daclsz);
pos += daclsz;
} else
pnhead->dacl = 0;
pnhead->dacl = cpu_to_le32(0);
/* copy SACL if requested */
if (selection & SACL_SECURITY_INFORMATION) {
pnhead->sacl = pos;
pnhead->sacl = cpu_to_le32(pos);
memcpy(&buf[pos],&attr[offsacl],saclsz);
pos += saclsz;
} else
pnhead->sacl = 0;
pnhead->sacl = cpu_to_le32(0);
/* copy owner if requested */
if (selection & OWNER_SECURITY_INFORMATION) {
pnhead->owner = pos;
pnhead->owner = cpu_to_le32(pos);
memcpy(&buf[pos],&attr[offowner],usidsz);
pos += usidsz;
} else
pnhead->owner = 0;
pnhead->owner = cpu_to_le32(0);
/* copy group if requested */
if (selection & GROUP_SECURITY_INFORMATION) {
pnhead->group = pos;
pnhead->group = cpu_to_le32(pos);
memcpy(&buf[pos],&attr[offgroup],gsidsz);
pos += gsidsz;
} else
pnhead->group = 0;
pnhead->group = cpu_to_le32(0);
if (pos != size)
ntfs_log_error("Error in security descriptor size\n");
*psize = size;
@ -4047,7 +4049,7 @@ static BOOL mergesecurityattr(ntfs_volume *vol, const char *oldattr,
if (target) {
targhead = (SECURITY_DESCRIPTOR_RELATIVE*)target;
pos = sizeof(SECURITY_DESCRIPTOR_RELATIVE);
present = oldhead->control;
present = le16_to_cpu(oldhead->control);
if (oldhead->owner)
present |= OWNER_SECURITY_INFORMATION;
if (oldhead->group)
@ -4066,10 +4068,10 @@ static BOOL mergesecurityattr(ntfs_volume *vol, const char *oldattr,
}
size = le16_to_cpu(pdacl->size);
memcpy(&target[pos], pdacl, size);
targhead->dacl = pos;
targhead->dacl = cpu_to_le32(pos);
pos += size;
} else
targhead->dacl = 0;
targhead->dacl = cpu_to_le32(0);
/*
* copy new SACL if selected
* or keep old SACL if any
@ -4084,10 +4086,10 @@ static BOOL mergesecurityattr(ntfs_volume *vol, const char *oldattr,
}
size = le16_to_cpu(psacl->size);
memcpy(&target[pos], psacl, size);
targhead->sacl = pos;
targhead->sacl = cpu_to_le32(pos);
pos += size;
} else
targhead->sacl = 0;
targhead->sacl = cpu_to_le32(0);
/*
* copy new OWNER if selected
* or keep old OWNER if any
@ -4102,10 +4104,10 @@ static BOOL mergesecurityattr(ntfs_volume *vol, const char *oldattr,
}
size = sid_size(powner);
memcpy(&target[pos], powner, size);
targhead->owner = pos;
targhead->owner = cpu_to_le32(pos);
pos += size;
} else
targhead->owner = 0;
targhead->owner = cpu_to_le32(0);
/*
* copy new GROUP if selected
* or keep old GROUP if any
@ -4120,11 +4122,11 @@ static BOOL mergesecurityattr(ntfs_volume *vol, const char *oldattr,
}
size = sid_size(pgroup);
memcpy(&target[pos], pgroup, size);
targhead->group = pos;
targhead->group = cpu_to_le32(pos);
pos += size;
} else
targhead->group = 0;
targhead->control = present | selection;
targhead->group = cpu_to_le32(0);
targhead->control = cpu_to_le16(present | selection);
ok = !update_secur_descr(vol, target, ni);
free(target);
}
@ -4207,7 +4209,7 @@ BOOL ntfs_set_file_security(struct SECURITY_API *scapi,
if (scapi && (scapi->magic == MAGIC_API) && attr) {
phead = (const SECURITY_DESCRIPTOR_RELATIVE*)attr;
attrsz = attr_size(attr);
provided = phead->control;
provided = le16_to_cpu(phead->control);
if (phead->owner)
provided |= OWNER_SECURITY_INFORMATION;
if (phead->group)