162 lines
4.0 KiB
C
162 lines
4.0 KiB
C
#include "common.h"
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#include "ctl.h"
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#include "str.h"
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#include "../argz/argz.h"
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#include <stdio.h>
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#include <sys/socket.h>
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#include <dirent.h>
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#include <sys/un.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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static void
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gt_show_bad_line(int term, char *name, uint64_t count,
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struct sockaddr_storage *ss)
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{
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if (!count)
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return;
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char addr[INET6_ADDRSTRLEN];
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gt_toaddr(addr, sizeof(addr), (struct sockaddr *)ss);
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printf(term ? "%s:\n"
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" count: %"PRIu64"\n"
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" last: %s port %"PRIu16"\n"
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: "%s"
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" %"PRIu64
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" %s %"PRIu16
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"\n",
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name, count, addr[0] ? addr : "-",
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gt_get_port((struct sockaddr *)ss));
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}
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static int
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gt_show_bad(int fd)
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{
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struct ctl_msg res, req = {.type = CTL_BAD};
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if (ctl_reply(fd, &res, &req))
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return -1;
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int term = isatty(1);
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gt_show_bad_line(term, "decrypt",
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res.bad.decrypt.count, &res.bad.decrypt.addr);
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gt_show_bad_line(term, "difftime",
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res.bad.difftime.count, &res.bad.difftime.addr);
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gt_show_bad_line(term, "keyx",
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res.bad.keyx.count, &res.bad.keyx.addr);
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return 0;
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}
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static int
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gt_show_status(int fd)
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{
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struct ctl_msg res, req = {.type = CTL_STATUS};
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if (ctl_reply(fd, &res, &req))
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return -1;
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char bindstr[INET6_ADDRSTRLEN];
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char peerstr[INET6_ADDRSTRLEN];
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gt_toaddr(bindstr, sizeof(bindstr),
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(struct sockaddr *)&res.status.bind);
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int server = gt_toaddr(peerstr, sizeof(peerstr),
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(struct sockaddr *)&res.status.peer);
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int term = isatty(1);
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if (server) {
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printf(term ? "server %s:\n"
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" pid: %li\n"
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" bind: %s port %"PRIu16"\n"
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" mtu: %zu\n"
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" cipher: %s\n"
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: "server %s"
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" %li"
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" %s %"PRIu16
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" %zu"
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" %s"
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"\n",
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res.status.tun_name,
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res.status.pid,
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bindstr[0] ? bindstr : "-",
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gt_get_port((struct sockaddr *)&res.status.bind),
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res.status.mtu,
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GT_CIPHER(res.status.chacha));
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} else {
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printf(term ? "client %s:\n"
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" pid: %li\n"
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" bind: %s port %"PRIu16"\n"
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" peer: %s port %"PRIu16"\n"
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" mtu: %zu\n"
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" cipher: %s\n"
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: "client %s"
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" %li"
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" %s %"PRIu16
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" %s %"PRIu16
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" %zu"
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" %s"
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"\n",
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res.status.tun_name,
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res.status.pid,
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bindstr[0] ? bindstr : "-",
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gt_get_port((struct sockaddr *)&res.status.bind),
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peerstr[0] ? peerstr : "-",
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gt_get_port((struct sockaddr *)&res.status.peer),
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res.status.mtu,
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GT_CIPHER(res.status.chacha));
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}
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return 0;
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}
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int
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gt_show(int argc, char **argv)
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{
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const char *dev = NULL;
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struct argz showz[] = {
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{"dev", "NAME", &dev, argz_str},
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{"bad", NULL, NULL, argz_option},
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{NULL}};
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if (argz(showz, argc, argv))
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return 1;
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int fd = ctl_connect(dev);
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if (fd < 0) {
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switch (fd) {
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case -1:
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perror("show");
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break;
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case CTL_ERROR_NONE:
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gt_log("no device\n");
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break;
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case CTL_ERROR_MANY:
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gt_log("please choose a device\n");
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break;
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default:
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gt_log("couldn't connect\n");
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}
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return 1;
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}
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int ret = argz_is_set(showz, "bad")
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? gt_show_bad(fd)
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: gt_show_status(fd);
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if (ret == -1)
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perror("show");
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ctl_delete(fd);
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return !!ret;
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}
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