External/libvirt
1
0
Fork 0
mirror of https://gitlab.com/libvirt/libvirt.git synced 2024-12-23 22:25:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

storage_conf: Use uid_t/gid_t instead of int to cast the value

Browse Source 
And error out if the casted value is not same with the original
one, which prevents the bug on platform(s) where uid_t/gid_t
has different size with long.
This commit is contained in:
Osier Yang 2013-05-22 20:05:22 +08:00
parent ec2b81c68b
commit 6c89768da4
1 changed files with 11 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/conf/storage_conf.c
View File

@ -44,6 +44,7 @@
#include "viralloc.h"
#include "virfile.h"
#include "virstring.h"
#include "virlog.h"
#define VIR_FROM_THIS VIR_FROM_STORAGE
@ -747,7 +748,7 @@ virStorageDefParsePerms(xmlXPathContextPtr ctxt,
int defaultmode)
{
char *mode;
long v;
long val;
int ret = -1;
xmlNodePtr relnode;
xmlNodePtr node;
@ -784,23 +785,28 @@ virStorageDefParsePerms(xmlXPathContextPtr ctxt,
if (virXPathNode("./owner", ctxt) == NULL) {
perms->uid = (uid_t) -1;
} else {
if (virXPathLong("number(./owner)", ctxt, &v) < 0) {
if (virXPathLong("number(./owner)", ctxt, &val) < 0 ||
((uid_t)val != val &&
val != -1)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("malformed owner element"));
goto error;
}
perms->uid = (int)v;
perms->uid = val;
}
if (virXPathNode("./group", ctxt) == NULL) {
perms->gid = (gid_t) -1;
} else {
if (virXPathLong("number(./group)", ctxt, &v) < 0) {
if (virXPathLong("number(./group)", ctxt, &val) < 0 ||
((gid_t) val != val &&
val != -1)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("malformed group element"));
goto error;
}
perms->gid = (int)v;
perms->gid = val;
}
/* NB, we're ignoring missing labels here - they'll simply inherit */