[libvirt] [PATCH] conf: Check migration_host is valid or not during libvirt restarts
if user specified an invalid strings as migration hostname,
like setting: migration_host = "XXXXXXX", libvirt should check
it and return error during lbivirt restart.
Signed-off-by: Chen Fan <chen.fan.fnst(a)cn.fujitsu.com>
---
src/qemu/qemu_conf.c | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index e2ec54f..450ac5b 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -33,6 +33,7 @@
#include <fcntl.h>
#include <sys/wait.h>
#include <arpa/inet.h>
+#include <netdb.h>
#include "virerror.h"
#include "qemu_conf.h"
@@ -650,6 +651,45 @@ int virQEMUDriverConfigLoadFile(virQEMUDriverConfigPtr cfg,
GET_VALUE_LONG("seccomp_sandbox", cfg->seccompSandbox);
GET_VALUE_STR("migration_host", cfg->migrateHost);
+ if (cfg->migrateHost) {
+ struct addrinfo hints;
+ struct addrinfo *res;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_flags = AI_ADDRCONFIG;
+ hints.ai_family = AF_UNSPEC;
+
+ if (getaddrinfo(cfg->migrateHost, NULL, &hints, &res) != 0) {
+ virReportError(VIR_ERR_CONF_SYNTAX,
+ _("migration_host: '%s' is not a valid
hostname"),
+ cfg->migrateHost);
+ goto cleanup;
+ }
+
+ if (res == NULL) {
+ virReportError(VIR_ERR_CONF_SYNTAX,
+ _("No IP address for host '%s' found"),
+ cfg->migrateHost);
+ goto cleanup;
+ }
+
+ freeaddrinfo(res);
+
+ if (STRPREFIX(cfg->migrateHost, "localhost")) {
+ virReportError(VIR_ERR_CONF_SYNTAX, "%s",
+ _("setting migration_host to 'localhost' is not
allowed"));
+ goto cleanup;
+ }
+
+ if (STREQ(cfg->migrateHost, "127.0.0.1") ||
+ STREQ(cfg->migrateHost, "::1")) {
+ virReportError(VIR_ERR_CONF_SYNTAX, "%s",
+ _("setting migration_host to '127.0.0.1' or
'::1' "
+ "is not allowed"));
+ goto cleanup;
+ }
+ }
+
GET_VALUE_STR("migration_address", cfg->migrationAddress);
GET_VALUE_BOOL("log_timestamp", cfg->logTimestamp);
--
1.9.3