mirror of
https://github.com/apache/nuttx.git
synced 2026-06-06 00:14:22 +08:00
Appease nxstyle complaints in files from vpnkit
This commit is contained in:
YAMAMOTO Takashi
committed by
Xiang Xiao
Xiang Xiao
parent
cd10bd67c4
commit
124c00b661
@@ -36,61 +36,91 @@
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* limitations under the License.
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "protocol.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define ERROR(fmt, ...) \
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fprintf(stderr, "up_vpnkit: " fmt "\r\n", ##__VA_ARGS__)
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#define INFO(fmt, ...) \
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fprintf(stderr, "up_vpnkit: " fmt "\r\n", ##__VA_ARGS__)
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/* Negotiate a vmnet connection, returns 0 on success and 1 on error. */
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int negotiate(int fd, struct vif_info *vif)
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{
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enum command command = ethernet;
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struct init_message *me;
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struct ethernet_args args;
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struct init_message you;
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char *txt;
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enum command command = ethernet;
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struct init_message *me;
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struct ethernet_args args;
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struct init_message you;
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char *txt;
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me = create_init_message();
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if (!me)
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goto err;
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me = create_init_message();
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if (!me)
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{
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goto err;
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}
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if (write_init_message(fd, me) == -1)
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goto err;
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if (write_init_message(fd, me) == -1)
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{
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goto err;
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}
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if (read_init_message(fd, &you) == -1)
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goto err;
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if (read_init_message(fd, &you) == -1)
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{
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goto err;
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}
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if (me->version != you.version) {
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ERROR("Server did not accept our protocol version (client: %d, server: %d)", me->version, you.version);
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goto err;
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}
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if (me->version != you.version)
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{
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ERROR("Server did not accept our protocol version "
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"(client: %d, server: %d)", me->version, you.version);
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goto err;
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}
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txt = print_init_message(&you);
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if (!txt)
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goto err;
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txt = print_init_message(&you);
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if (!txt)
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{
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goto err;
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}
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INFO("Server reports %s", txt);
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free(txt);
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INFO("Server reports %s", txt);
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free(txt);
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if (write_command(fd, &command) == -1)
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goto err;
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if (write_command(fd, &command) == -1)
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{
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goto err;
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}
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/* We don't need a uuid */
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memset(&args.uuid_string[0], 0, sizeof(args.uuid_string));
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if (write_ethernet_args(fd, &args) == -1)
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goto err;
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/* We don't need a uuid */
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if (read_vif_response(fd, vif) == -1)
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goto err;
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memset(&args.uuid_string[0], 0, sizeof(args.uuid_string));
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if (write_ethernet_args(fd, &args) == -1)
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{
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goto err;
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}
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return 0;
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if (read_vif_response(fd, vif) == -1)
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{
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goto err;
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}
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return 0;
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err:
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ERROR("Failed to negotiate vmnet connection");
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return 1;
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ERROR("Failed to negotiate vmnet connection");
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return 1;
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}
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+212
-152
@@ -36,6 +36,10 @@
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* limitations under the License.
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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@@ -46,219 +50,275 @@
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#include "protocol.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define ERROR(fmt, ...) \
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fprintf(stderr, "up_vpnkit: " fmt "\r\n", ##__VA_ARGS__)
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* Version 0 of the protocol used this */
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char expected_hello_old[5] = {'V', 'M', 'N', 'E', 'T'};
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char expected_hello_old[5] =
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{
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'V', 'M', 'N', 'E', 'T'
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};
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/* Version 1 and later of the protocol used this */
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char expected_hello[5] = {'V', 'M', 'N', '3', 'T'};
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char expected_hello[5] =
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{
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'V', 'M', 'N', '3', 'T'
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};
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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int really_read(int fd, uint8_t *buffer, size_t total)
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{
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size_t remaining = total;
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ssize_t n;
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size_t remaining = total;
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ssize_t n;
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while (remaining > 0) {
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n = read(fd, buffer, remaining);
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if (n == 0) {
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ERROR("EOF reading from socket: closing\n");
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goto err;
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}
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if (n < 0) {
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ERROR(
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"Failure reading from socket: closing: %s",
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strerror(errno));
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goto err;
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}
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remaining -= (size_t) n;
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buffer = buffer + n;
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}
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return 0;
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while (remaining > 0)
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{
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n = read(fd, buffer, remaining);
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if (n == 0)
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{
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ERROR("EOF reading from socket: closing\n");
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goto err;
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}
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if (n < 0)
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{
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ERROR("Failure reading from socket: closing: %s",
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strerror(errno));
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goto err;
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}
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remaining -= (size_t)n;
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buffer = buffer + n;
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}
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return 0;
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err:
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/*
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* On error: stop reading from the socket and trigger a clean
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* shutdown
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*/
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shutdown(fd, SHUT_RD);
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return -1;
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/* On error: stop reading from the socket and trigger a clean
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* shutdown
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*/
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shutdown(fd, SHUT_RD);
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return -1;
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}
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int really_write(int fd, uint8_t *buffer, size_t total)
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{
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size_t remaining = total;
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ssize_t n;
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size_t remaining = total;
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ssize_t n;
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while (remaining > 0) {
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n = write(fd, buffer, remaining);
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if (n == 0) {
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ERROR("EOF writing to socket: closing");
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goto err;
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}
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if (n < 0) {
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ERROR(
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"Failure writing to socket: closing: %s",
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strerror(errno));
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goto err;
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}
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remaining -= (size_t) n;
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buffer = buffer + n;
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}
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return 0;
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while (remaining > 0)
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{
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n = write(fd, buffer, remaining);
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if (n == 0)
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{
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ERROR("EOF writing to socket: closing");
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goto err;
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}
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if (n < 0)
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{
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ERROR("Failure writing to socket: closing: %s",
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strerror(errno));
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goto err;
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}
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remaining -= (size_t) n;
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buffer = buffer + n;
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}
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return 0;
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err:
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/* On error: stop listening to the socket */
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shutdown(fd, SHUT_WR);
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return -1;
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/* On error: stop listening to the socket */
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shutdown(fd, SHUT_WR);
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return -1;
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}
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struct init_message *create_init_message()
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{
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struct init_message *m;
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struct init_message *m;
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m = malloc(sizeof(struct init_message));
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if (!m)
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return NULL;
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m = malloc(sizeof(struct init_message));
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if (!m)
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{
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return NULL;
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}
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bzero(m, sizeof(struct init_message));
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memcpy(&m->hello[0], &expected_hello[0], sizeof(m->hello));
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m->version = CURRENT_VERSION;
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memset(&m->commit[0], 0, sizeof(m->commit));
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bzero(m, sizeof(struct init_message));
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memcpy(&m->hello[0], &expected_hello[0], sizeof(m->hello));
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m->version = CURRENT_VERSION;
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memset(&m->commit[0], 0, sizeof(m->commit));
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return m;
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return m;
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}
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char *print_init_message(struct init_message *m)
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{
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char tmp[41];
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char tmp[41];
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memcpy(&tmp[0], &m->commit[0], 40);
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tmp[40] = '\000';
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char *buffer;
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int n;
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memcpy(&tmp[0], &m->commit[0], 40);
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tmp[40] = '\000';
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char *buffer;
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int n;
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buffer = malloc(80);
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if (!buffer)
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return NULL;
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buffer = malloc(80);
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if (!buffer)
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{
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return NULL;
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}
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n = snprintf(buffer, 80, "version %d, commit %s", m->version, tmp);
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if (n < 0) {
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perror("Failed to format init_message");
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exit(1);
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}
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return buffer;
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n = snprintf(buffer, 80, "version %d, commit %s", m->version, tmp);
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if (n < 0)
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{
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perror("Failed to format init_message");
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exit(1);
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}
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return buffer;
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}
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int read_init_message(int fd, struct init_message *ci)
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{
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int res;
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int res;
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bzero(ci, sizeof(struct init_message));
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bzero(ci, sizeof(struct init_message));
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res = really_read(fd, (uint8_t *)&ci->hello[0], sizeof(ci->hello));
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if (res == -1) {
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ERROR("Failed to read hello from client");
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return -1;
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}
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res = really_read(fd, (uint8_t *)&ci->hello[0], sizeof(ci->hello));
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if (res == -1)
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{
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ERROR("Failed to read hello from client");
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return -1;
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}
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res = memcmp(&ci->hello[0],
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&expected_hello_old[0], sizeof(expected_hello_old));
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if (res == 0) {
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ci->version = 0;
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return 0;
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}
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res = memcmp(&ci->hello[0],
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&expected_hello_old[0], sizeof(expected_hello_old));
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if (res == 0)
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{
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ci->version = 0;
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return 0;
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}
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res = memcmp(&ci->hello[0],
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&expected_hello[0], sizeof(expected_hello));
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if (res != 0) {
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ERROR("Failed to read header magic from client");
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return -1;
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}
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res = memcmp(&ci->hello[0],
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&expected_hello[0], sizeof(expected_hello));
|
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if (res != 0)
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{
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ERROR("Failed to read header magic from client");
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return -1;
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}
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res = really_read(fd, (uint8_t *)&ci->version, sizeof(ci->version));
|
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if (res == -1) {
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ERROR("Failed to read header version from client");
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return -1;
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}
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res = really_read(fd, (uint8_t *)&ci->version, sizeof(ci->version));
|
||||
if (res == -1)
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||||
{
|
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ERROR("Failed to read header version from client");
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return -1;
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||||
}
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res = really_read(fd, (uint8_t *)&ci->commit[0], sizeof(ci->commit));
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if (res == -1) {
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ERROR("Failed to read header hash from client");
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return -1;
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}
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res = really_read(fd, (uint8_t *)&ci->commit[0], sizeof(ci->commit));
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if (res == -1)
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||||
{
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ERROR("Failed to read header hash from client");
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||||
return -1;
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||||
}
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||||
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return 0;
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return 0;
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}
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int write_init_message(int fd, struct init_message *ci)
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{
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int res;
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int res;
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||||
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res = really_write(fd, (uint8_t *)&ci->hello[0], sizeof(ci->hello));
|
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if (res == -1) {
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ERROR("Failed to write hello to client");
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return -1;
|
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}
|
||||
if (ci->version > 0) {
|
||||
res = really_write(fd, (uint8_t *)&ci->version,
|
||||
sizeof(ci->version));
|
||||
if (res == -1) {
|
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ERROR("Failed to write version to client");
|
||||
return -1;
|
||||
}
|
||||
res = really_write(fd, (uint8_t *)&ci->commit[0],
|
||||
sizeof(ci->commit));
|
||||
if (res == -1) {
|
||||
ERROR("Failed to write header hash to client");
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
res = really_write(fd, (uint8_t *)&ci->hello[0], sizeof(ci->hello));
|
||||
if (res == -1)
|
||||
{
|
||||
ERROR("Failed to write hello to client");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (ci->version > 0)
|
||||
{
|
||||
res = really_write(fd, (uint8_t *)&ci->version,
|
||||
sizeof(ci->version));
|
||||
if (res == -1)
|
||||
{
|
||||
ERROR("Failed to write version to client");
|
||||
return -1;
|
||||
}
|
||||
|
||||
res = really_write(fd, (uint8_t *)&ci->commit[0],
|
||||
sizeof(ci->commit));
|
||||
if (res == -1)
|
||||
{
|
||||
ERROR("Failed to write header hash to client");
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int read_vif_response(int fd, struct vif_info *vif)
|
||||
{
|
||||
struct msg_response msg;
|
||||
struct msg_response msg;
|
||||
|
||||
if (really_read(fd, (uint8_t*)&msg, sizeof(msg)) == -1) {
|
||||
ERROR("Client failed to read server response");
|
||||
return -1;
|
||||
}
|
||||
|
||||
switch (msg.response_type) {
|
||||
case rt_vif:
|
||||
memcpy((uint8_t*)vif, (uint8_t*)&msg.vif, sizeof(*vif));
|
||||
return 0;
|
||||
case rt_disconnect:
|
||||
ERROR("Server disconnected: %*s", msg.disconnect.len, msg.disconnect.msg);
|
||||
return -1;
|
||||
default:
|
||||
ERROR("Unknown response type from server");
|
||||
return -1;
|
||||
}
|
||||
if (really_read(fd, (uint8_t *)&msg, sizeof(msg)) == -1)
|
||||
{
|
||||
ERROR("Client failed to read server response");
|
||||
return -1;
|
||||
}
|
||||
|
||||
switch (msg.response_type)
|
||||
{
|
||||
case rt_vif:
|
||||
memcpy((uint8_t *)vif, (uint8_t *)&msg.vif, sizeof(*vif));
|
||||
return 0;
|
||||
case rt_disconnect:
|
||||
ERROR("Server disconnected: %*s", msg.disconnect.len,
|
||||
msg.disconnect.msg);
|
||||
return -1;
|
||||
default:
|
||||
ERROR("Unknown response type from server");
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
int write_command(int fd, enum command *c)
|
||||
{
|
||||
uint8_t command = *c;
|
||||
uint8_t command = *c;
|
||||
|
||||
if (really_write(fd, (uint8_t *)&command, sizeof(command)) == -1) {
|
||||
ERROR("Failed to write command to client");
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
if (really_write(fd, (uint8_t *)&command, sizeof(command)) == -1)
|
||||
{
|
||||
ERROR("Failed to write command to client");
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int write_ethernet_args(int fd, struct ethernet_args *args)
|
||||
{
|
||||
uint8_t buffer[40];
|
||||
memset(&buffer[0], 0, sizeof(buffer));
|
||||
memcpy(&buffer[0], (uint8_t *)&args->uuid_string[0], 36);
|
||||
uint8_t buffer[40];
|
||||
memset(&buffer[0], 0, sizeof(buffer));
|
||||
memcpy(&buffer[0], (uint8_t *)&args->uuid_string[0], 36);
|
||||
|
||||
if (really_write(fd, (uint8_t *)&buffer, sizeof(buffer)) == -1) {
|
||||
ERROR("Failed to write ethernet args to client");
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
if (really_write(fd, (uint8_t *)&buffer, sizeof(buffer)) == -1)
|
||||
{
|
||||
ERROR("Failed to write ethernet args to client");
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -36,80 +36,122 @@
|
||||
* limitations under the License.
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef _VMNET_PROTOCOL_H_
|
||||
#define _VMNET_PROTOCOL_H_
|
||||
#ifndef _ARCH_SIM_SRC_SIM_VPNKIT_PROTOCOL_H_
|
||||
#define _ARCH_SIM_SRC_SIM_VPNKIT_PROTOCOL_H_
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <errno.h>
|
||||
#include <stdint.h>
|
||||
|
||||
/* Client -> Server init_message */
|
||||
/* Server -> Client init_message */
|
||||
struct init_message {
|
||||
char hello[5];
|
||||
uint8_t _padding[3];
|
||||
uint32_t version;
|
||||
char commit[40]; /* git sha of the compiled commit */
|
||||
};
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/*
|
||||
* This should be bumped whenever we add something (like a feature or a
|
||||
/* This should be bumped whenever we add something (like a feature or a
|
||||
* bugfix) and we wish the UI to be able to detect when to trigger a
|
||||
* reinstall.
|
||||
*/
|
||||
|
||||
#define CURRENT_VERSION 22
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
/* Client -> Server init_message */
|
||||
|
||||
/* Server -> Client init_message */
|
||||
|
||||
struct init_message
|
||||
{
|
||||
char hello[5];
|
||||
uint8_t _padding[3];
|
||||
uint32_t version;
|
||||
char commit[40]; /* git sha of the compiled commit */
|
||||
};
|
||||
|
||||
/* Client -> Server command */
|
||||
|
||||
enum command
|
||||
{
|
||||
ethernet = 1,
|
||||
};
|
||||
|
||||
/* Server -> Client response */
|
||||
|
||||
enum response_type
|
||||
{
|
||||
rt_vif = 1,
|
||||
rt_disconnect = 2,
|
||||
};
|
||||
|
||||
/* Client -> Server command arguments */
|
||||
|
||||
struct ethernet_args
|
||||
{
|
||||
char uuid_string[36];
|
||||
};
|
||||
|
||||
/* Server -> Client: details of a vif */
|
||||
|
||||
struct vif_info
|
||||
{
|
||||
uint16_t mtu;
|
||||
uint16_t max_packet_size;
|
||||
uint8_t mac[6];
|
||||
}
|
||||
__attribute__((packed));
|
||||
|
||||
/* Server -> Client: disconnect w/reason */
|
||||
|
||||
struct disconnect_reason
|
||||
{
|
||||
uint8_t len;
|
||||
char msg[256];
|
||||
}
|
||||
__attribute__((packed));
|
||||
|
||||
struct msg_response
|
||||
{
|
||||
uint8_t response_type;
|
||||
union
|
||||
{
|
||||
struct vif_info vif;
|
||||
struct disconnect_reason disconnect;
|
||||
};
|
||||
}
|
||||
__attribute__((packed));
|
||||
|
||||
/****************************************************************************
|
||||
* Inline functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
extern char expected_hello[5];
|
||||
extern char expected_hello_old[5];
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
extern struct init_message *create_init_message(void);
|
||||
extern int read_init_message(int fd, struct init_message *ci);
|
||||
extern int write_init_message(int fd, struct init_message *ci);
|
||||
extern char *print_init_message(struct init_message *m);
|
||||
|
||||
/* Client -> Server command */
|
||||
enum command {
|
||||
ethernet = 1,
|
||||
};
|
||||
|
||||
/* Server -> Client response */
|
||||
enum response_type {
|
||||
rt_vif = 1,
|
||||
rt_disconnect = 2,
|
||||
};
|
||||
|
||||
extern int write_command(int fd, enum command *c);
|
||||
|
||||
/* Client -> Server command arguments */
|
||||
struct ethernet_args {
|
||||
char uuid_string[36];
|
||||
};
|
||||
|
||||
extern int write_ethernet_args(int fd, struct ethernet_args *args);
|
||||
|
||||
/* Server -> Client: details of a vif */
|
||||
struct vif_info {
|
||||
uint16_t mtu;
|
||||
uint16_t max_packet_size;
|
||||
uint8_t mac[6];
|
||||
} __attribute__((packed));
|
||||
|
||||
/* Server -> Client: disconnect w/reason */
|
||||
struct disconnect_reason {
|
||||
uint8_t len;
|
||||
char msg[256];
|
||||
} __attribute__((packed));
|
||||
|
||||
struct msg_response {
|
||||
uint8_t response_type;
|
||||
union {
|
||||
struct vif_info vif;
|
||||
struct disconnect_reason disconnect;
|
||||
};
|
||||
} __attribute__((packed));
|
||||
|
||||
extern int read_vif_response(int fd, struct vif_info *vif);
|
||||
|
||||
extern char expected_hello[5];
|
||||
extern char expected_hello_old[5];
|
||||
|
||||
extern int really_read(int fd, uint8_t *buffer, size_t total);
|
||||
extern int really_write(int fd, uint8_t *buffer, size_t total);
|
||||
|
||||
#endif /* _VMNET_PROTOCOL_H_ */
|
||||
#endif /* _ARCH_SIM_SRC_SIM_VPNKIT_PROTOCOL_H_ */
|
||||
|
||||
Reference in New Issue
Block a user