[libvirt] [PATCHv4 6/9] conf: Enforce ranges on cputune variables

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. --- Notes: Version 4: - changed error from VIR_ERR_XML_ERROR to VIR_ERR_CONFIG_UNSUPPORTED Version 3: - new in series src/conf/domain_conf.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index fde88b2..5a59e3f 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -2499,6 +2499,43 @@ virDomainDefPostParseInternal(virDomainDefPtr def, return -1; } + /* enforce range checks for cputune values */ + /* these are not represented in the XML schema, but are documented */ + 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]")); + return -1; + } + + 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]")); + return -1; + } + + 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]")); + return -1; + } + + 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]")); + return -1; + } + return 0; } -- 1.8.1.5