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Work around access to files created by Windows in a directory created by Linux 

as root
N2009_11_14_FIXES
jpandre 2008-04-21 14:09:32 +00:00
parent 7d3bff9b99
commit 5d5615433f
1 changed files with 11 additions and 0 deletions
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11
libntfs-3g/security.c
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@ -2834,6 +2834,7 @@ static int build_std_permissions(const char *securattr,
int offace;
int acecnt;
int nace;
BOOL noown;
le32 special;
le32 allowown, allowgrp, allowall;
le32 denyown, denygrp, denyall;
@ -2844,6 +2845,7 @@ static int build_std_permissions(const char *securattr,
special = cpu_to_le32(0);
allowown = allowgrp = allowall = cpu_to_le32(0);
denyown = denygrp = denyall = cpu_to_le32(0);
noown = TRUE;
if (offdacl) {
acecnt = le16_to_cpu(pacl->ace_count);
offace = offdacl + sizeof(ACL);
@ -2854,6 +2856,7 @@ static int build_std_permissions(const char *securattr,
if (!(pace->flags & INHERIT_ONLY_ACE)) {
if (same_sid(usid, &pace->sid)
|| same_sid(ownersid, &pace->sid)) {
noown = FALSE;
if (pace->type == ACCESS_ALLOWED_ACE_TYPE)
allowown |= pace->mask;
else if (pace->type == ACCESS_DENIED_ACE_TYPE)
@ -2878,6 +2881,14 @@ static int build_std_permissions(const char *securattr,
}
offace += le16_to_cpu(pace->size);
}
/*
* No indication about owner's rights : grant basic rights
* This happens for files created by Windows in directories
* created by Linux and owned by root, because Windows
* merges the admin ACEs
*/
if (noown)
allowown = (FILE_READ_DATA | FILE_WRITE_DATA | FILE_EXECUTE);
/*
* Add to owner rights granted to group or world
* unless denied personaly, and add to group rights