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Олег Бородин
2026-04-22 15:02:00 +02:00
parent 468dc70d7c
commit 321232ae1d
14 changed files with 310 additions and 236 deletions
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interface.cpp
+43 -43
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@@ -284,26 +284,26 @@ Interface::~Interface() {
std::expected<void, std::string> Interface::UpN(void) {
int netlinkfd = 0;
if ((netlinkfd = socket(AF_NETLINK, SOCK_RAW | SOCK_CLOEXEC, NETLINK_ROUTE)) < 0) {
if ((netlinkfd = socket(AF_NETLINK, SOCK_RAW | SOCK_CLOEXEC, NETLINK_ROUTE)) < 0) {
int errnocopy = errno;
std::string error = std::strerror(errnocopy);
return std::unexpected("Create interface error: " + error);
}
struct {
struct nlmsghdr header;
struct ifinfomsg content;
} request;
struct {
struct nlmsghdr header;
struct ifinfomsg content;
} request;
memset(&request, 0, sizeof request);
request.header.nlmsg_len = NLMSG_LENGTH(sizeof request.content);
request.header.nlmsg_flags = NLM_F_REQUEST;
request.header.nlmsg_type = RTM_NEWLINK;
request.content.ifi_index = if_nametoindex(ifname.c_str());
request.content.ifi_flags = IFF_UP;
request.content.ifi_change = 1;
memset(&request, 0, sizeof request);
request.header.nlmsg_len = NLMSG_LENGTH(sizeof request.content);
request.header.nlmsg_flags = NLM_F_REQUEST;
request.header.nlmsg_type = RTM_NEWLINK;
request.content.ifi_index = if_nametoindex(ifname.c_str());
request.content.ifi_flags = IFF_UP;
request.content.ifi_change = 1;
if (send(netlinkfd, &request, request.header.nlmsg_len, 0) < 0) {
if (send(netlinkfd, &request, request.header.nlmsg_len, 0) < 0) {
close(netlinkfd);
int errnocopy = errno;
std::string error = std::strerror(errnocopy);
@@ -316,7 +316,7 @@ std::expected<void, std::string> Interface::UpN(void) {
std::expected<void, std::string> Interface::SetIP4AddrMask(const std::string address, const int prefix) {
int netlinkfd = 0;
if ((netlinkfd = socket(AF_NETLINK, SOCK_RAW | SOCK_CLOEXEC, NETLINK_ROUTE)) < 0) {
if ((netlinkfd = socket(AF_NETLINK, SOCK_RAW | SOCK_CLOEXEC, NETLINK_ROUTE)) < 0) {
int errnocopy = errno;
std::string error = std::strerror(errnocopy);
return std::unexpected("Create interface error: " + error);
@@ -324,46 +324,46 @@ std::expected<void, std::string> Interface::SetIP4AddrMask(const std::string add
int rc = 0;
struct sockaddr_nl sockaddr;
memset(&sockaddr, 0, sizeof sockaddr);
sockaddr.nl_family = AF_NETLINK;
if ((rc = bind(netlinkfd, (struct sockaddr*) &sockaddr, sizeof sockaddr))< 0) {
memset(&sockaddr, 0, sizeof sockaddr);
sockaddr.nl_family = AF_NETLINK;
if ((rc = bind(netlinkfd, (struct sockaddr*) &sockaddr, sizeof sockaddr))< 0) {
close(netlinkfd);
int errnocopy = errno;
std::string error = std::strerror(errnocopy);
return std::unexpected("Set interface address error: " + error);
}
struct {
struct nlmsghdr header;
struct ifaddrmsg content;
char attributes_buf[64];
} request;
struct nlmsghdr header;
struct ifaddrmsg content;
char attributes_buf[64];
} request;
struct rtattr *request_attr;
size_t attributes_buf_avail = sizeof request.attributes_buf;
struct rtattr *request_attr;
size_t attributes_buf_avail = sizeof request.attributes_buf;
memset(&request, 0, sizeof request);
request.header.nlmsg_len = NLMSG_LENGTH(sizeof request.content);
request.header.nlmsg_flags = NLM_F_REQUEST | NLM_F_EXCL | NLM_F_CREATE;
request.header.nlmsg_type = RTM_NEWADDR;
request.content.ifa_index = if_nametoindex(ifname.c_str());
request.content.ifa_family = AF_INET;
request.content.ifa_prefixlen = prefix;
memset(&request, 0, sizeof request);
request.header.nlmsg_len = NLMSG_LENGTH(sizeof request.content);
request.header.nlmsg_flags = NLM_F_REQUEST | NLM_F_EXCL | NLM_F_CREATE;
request.header.nlmsg_type = RTM_NEWADDR;
request.content.ifa_index = if_nametoindex(ifname.c_str());
request.content.ifa_family = AF_INET;
request.content.ifa_prefixlen = prefix;
/* request.attributes[IFA_LOCAL] = address */
request_attr = IFA_RTA(&request.content);
request_attr->rta_type = IFA_LOCAL;
request_attr->rta_len = RTA_LENGTH(sizeof (struct in_addr));
request.header.nlmsg_len += request_attr->rta_len;
inet_pton(AF_INET, address.c_str(), RTA_DATA(request_attr));
/* request.attributes[IFA_LOCAL] = address */
request_attr = IFA_RTA(&request.content);
request_attr->rta_type = IFA_LOCAL;
request_attr->rta_len = RTA_LENGTH(sizeof (struct in_addr));
request.header.nlmsg_len += request_attr->rta_len;
inet_pton(AF_INET, address.c_str(), RTA_DATA(request_attr));
/* request.attributes[IFA_ADDRESS] = address */
request_attr = RTA_NEXT(request_attr, attributes_buf_avail);
request_attr->rta_type = IFA_ADDRESS;
request_attr->rta_len = RTA_LENGTH(sizeof (struct in_addr));
request.header.nlmsg_len += request_attr->rta_len;
inet_pton(AF_INET, address.c_str(), RTA_DATA(request_attr));
/* request.attributes[IFA_ADDRESS] = address */
request_attr = RTA_NEXT(request_attr, attributes_buf_avail);
request_attr->rta_type = IFA_ADDRESS;
request_attr->rta_len = RTA_LENGTH(sizeof (struct in_addr));
request.header.nlmsg_len += request_attr->rta_len;
inet_pton(AF_INET, address.c_str(), RTA_DATA(request_attr));
if (send(netlinkfd, &request, request.header.nlmsg_len, 0) < 0) {
if (send(netlinkfd, &request, request.header.nlmsg_len, 0) < 0) {
close(netlinkfd);
int errnocopy = errno;
std::string error = std::strerror(errnocopy);