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Use the actual names of chains in data structure

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Use the name of the chain rather than its type index (enum).
This pushes the later enablement of chains with user-given names
into the XML parser. For now we still only allow those names that
are well known ('root', 'arp', 'rarp', 'ipv4' and 'ipv6').

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
This commit is contained in:
Stefan Berger 2011-11-18 11:58:17 -05:00 committed by Stefan Berger
parent 4a410218a0
commit 19028ad6dc
4 changed files with 21 additions and 12 deletions
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16
src/conf/nwfilter_conf.c
View File

@ -309,6 +309,7 @@ virNWFilterDefFree(virNWFilterDefPtr def) {
virNWFilterEntryFree(def->filterEntries[i]);
VIR_FREE(def->filterEntries);
VIR_FREE(def->chainsuffix);
VIR_FREE(def);
}
@ -2027,21 +2028,28 @@ virNWFilterDefParseXML(xmlXPathContextPtr ctxt) {
goto cleanup;
}
ret->chainsuffix = VIR_NWFILTER_CHAINSUFFIX_ROOT;
chain = virXPathString("string(./@chain)", ctxt);
if (chain) {
if ((ret->chainsuffix =
virNWFilterChainSuffixTypeFromString(chain)) < 0) {
if (virNWFilterChainSuffixTypeFromString(chain) < 0) {
virNWFilterReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown chain suffix '%s'"), chain);
goto cleanup;
}
ret->chainsuffix = chain;
/* assign an implicit priority -- support XML attribute later */
if (!intMapGetByString(chain_priorities, chain, 0,
&ret->chainPriority)) {
ret->chainPriority = (NWFILTER_MAX_FILTER_PRIORITY +
NWFILTER_MIN_FILTER_PRIORITY) / 2;
}
chain = NULL;
} else {
ret->chainsuffix = strdup(virNWFilterChainSuffixTypeToString(
VIR_NWFILTER_CHAINSUFFIX_ROOT));
if (ret->chainsuffix == NULL) {
virReportOOMError();
goto cleanup;
}
}
uuid = virXPathString("string(./uuid)", ctxt);
@ -2843,7 +2851,7 @@ virNWFilterDefFormat(virNWFilterDefPtr def)
virBufferAsprintf(&buf, "<filter name='%s' chain='%s'",
def->name,
virNWFilterChainSuffixTypeToString(def->chainsuffix));
def->chainsuffix);
virBufferAddLit(&buf, ">\n");
virUUIDFormat(def->uuid, uuid);

2
src/conf/nwfilter_conf.h
View File

@ -455,7 +455,7 @@ struct _virNWFilterDef {
char *name;
unsigned char uuid[VIR_UUID_BUFLEN];
int chainsuffix; /*enum virNWFilterChainSuffixType */
char *chainsuffix;
virNWFilterChainPriority chainPriority;
int nentries;

13
src/nwfilter/nwfilter_ebiptables_driver.c
View File

@ -385,7 +385,7 @@ ebiptablesRuleInstFree(ebiptablesRuleInstPtr inst)
static int
ebiptablesAddRuleInst(virNWFilterRuleInstPtr res,
char *commandTemplate,
enum virNWFilterChainSuffixType neededChain,
const char *neededChain,
virNWFilterChainPriority chainPriority,
char chainprefix,
unsigned int priority,
@ -1961,11 +1961,13 @@ ebtablesCreateRuleInstance(char chainPrefix,
goto err_exit;
}
if (nwfilter->chainsuffix == VIR_NWFILTER_CHAINSUFFIX_ROOT)
if (STREQ(nwfilter->chainsuffix,
virNWFilterChainSuffixTypeToString(
VIR_NWFILTER_CHAINSUFFIX_ROOT)))
PRINT_ROOT_CHAIN(chain, chainPrefix, ifname);
else
PRINT_CHAIN(chain, chainPrefix, ifname,
virNWFilterChainSuffixTypeToString(nwfilter->chainsuffix));
nwfilter->chainsuffix);
switch (rule->prtclType) {
@ -2532,7 +2534,7 @@ ebiptablesDisplayRuleInstance(virConnectPtr conn ATTRIBUTE_UNUSED,
ebiptablesRuleInstPtr inst = (ebiptablesRuleInstPtr)_inst;
VIR_INFO("Command Template: '%s', Needed protocol: '%s'",
inst->commandTemplate,
virNWFilterChainSuffixTypeToString(inst->neededProtocolChain));
inst->neededProtocolChain);
return 0;
}
@ -3350,8 +3352,7 @@ ebiptablesApplyNewRules(virConnectPtr conn ATTRIBUTE_UNUSED,
for (i = 0; i < nruleInstances; i++) {
sa_assert (inst);
if (inst[i]->ruleType == RT_EBTABLES) {
const char *name = virNWFilterChainSuffixTypeToString(
inst[i]->neededProtocolChain);
const char *name = inst[i]->neededProtocolChain;
if (inst[i]->chainprefix == CHAINPREFIX_HOST_IN_TEMP) {
if (virHashUpdateEntry(chains_in_set, name,
&inst[i]->chainPriority)) {

2
src/nwfilter/nwfilter_ebiptables_driver.h
View File

@ -35,7 +35,7 @@ typedef struct _ebiptablesRuleInst ebiptablesRuleInst;
typedef ebiptablesRuleInst *ebiptablesRuleInstPtr;
struct _ebiptablesRuleInst {
char *commandTemplate;
enum virNWFilterChainSuffixType neededProtocolChain;
const char *neededProtocolChain;
virNWFilterChainPriority chainPriority;
char chainprefix; /* I for incoming, O for outgoing */
unsigned int priority;