diff options
Diffstat (limited to 'server/InterfaceController.cpp')
| -rw-r--r-- | server/InterfaceController.cpp | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/server/InterfaceController.cpp b/server/InterfaceController.cpp index e55114f4..73e96ee8 100644 --- a/server/InterfaceController.cpp +++ b/server/InterfaceController.cpp @@ -111,6 +111,7 @@ InterfaceController::~InterfaceController() { */ int InterfaceController::interfaceCommand(int argc, char *argv[], char **rbuf) { int ret = -ENOSYS; + if (!isIfaceName(argv[2])) return -ENOENT; if (sendCommand_) ret = sendCommand_(argc, argv, rbuf); @@ -119,6 +120,10 @@ int InterfaceController::interfaceCommand(int argc, char *argv[], char **rbuf) { int InterfaceController::writeIPv6ProcPath(const char *interface, const char *setting, const char *value) { char *path; + if (!isIfaceName(interface)) { + errno = ENOENT; + return -1; + } asprintf(&path, "%s/%s/%s", ipv6_proc_path, interface, setting); int success = writeFile(path, value, strlen(value)); free(path); @@ -187,18 +192,25 @@ int InterfaceController::getMtu(const char *interface, int *mtu) char buf[16]; int size = sizeof(buf); char *path; + if (!isIfaceName(interface)) { + errno = ENOENT; + return -1; + } asprintf(&path, "%s/%s/mtu", sys_net_path, interface); int success = readFile(path, buf, &size); if (!success && mtu) *mtu = atoi(buf); free(path); return success; - } int InterfaceController::setMtu(const char *interface, const char *mtu) { char *path; + if (!isIfaceName(interface)) { + errno = ENOENT; + return -1; + } asprintf(&path, "%s/%s/mtu", sys_net_path, interface); int success = writeFile(path, mtu, strlen(mtu)); free(path); |