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conf: Enforce ranges on cputune variables

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The limits are documented at
http://libvirt.org/formatdomain.html#elementsCPUTuning . Enforce them
when going through XML parsing in addition to being enforced by the API.
This commit is contained in:
Peter Krempa 2013-03-11 14:20:58 +01:00
parent 5e5ca84e31
commit f8e3221f99
1 changed files with 35 additions and 0 deletions
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35
src/conf/domain_conf.c
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@ -9677,6 +9677,14 @@ virDomainDefParseXML(virCapsPtr caps,
goto error;
}
if (def->cputune.period > 0 &&
(def->cputune.period < 1000 || def->cputune.period > 1000000)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Value of cputune period must be in range "
"[1000, 1000000]"));
goto error;
}
if (virXPathLongLong("string(./cputune/quota[1])", ctxt,
&def->cputune.quota) < -1) {
virReportError(VIR_ERR_XML_ERROR, "%s",
@ -9684,6 +9692,15 @@ virDomainDefParseXML(virCapsPtr caps,
goto error;
}
if (def->cputune.quota > 0 &&
(def->cputune.quota < 1000 ||
def->cputune.quota > 18446744073709551)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Value of cputune quota must be in range "
"[1000, 18446744073709551]"));
goto error;
}
if (virXPathULongLong("string(./cputune/emulator_period[1])", ctxt,
&def->cputune.emulator_period) < -1) {
virReportError(VIR_ERR_XML_ERROR, "%s",
@ -9691,6 +9708,15 @@ virDomainDefParseXML(virCapsPtr caps,
goto error;
}
if (def->cputune.emulator_period > 0 &&
(def->cputune.emulator_period < 1000 ||
def->cputune.emulator_period > 1000000)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Value of cputune emulator_period must be in range "
"[1000, 1000000]"));
goto error;
}
if (virXPathLongLong("string(./cputune/emulator_quota[1])", ctxt,
&def->cputune.emulator_quota) < -1) {
virReportError(VIR_ERR_XML_ERROR, "%s",
@ -9698,6 +9724,15 @@ virDomainDefParseXML(virCapsPtr caps,
goto error;
}
if (def->cputune.emulator_quota > 0 &&
(def->cputune.emulator_quota < 1000 ||
def->cputune.emulator_quota > 18446744073709551)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Value of cputune emulator_quota must be in range "
"[1000, 18446744073709551]"));
goto error;
}
if ((n = virXPathNodeSet("./cputune/vcpupin", ctxt, &nodes)) < 0)
goto error;