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#1 move saving of client ip
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parent
5733c68988
commit
8c7fb4d947
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@ -135,9 +135,6 @@ tunnel(int tun_fd, int dns_fd)
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strncpy(out, "VACK", sizeof(out));
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memcpy(out+4, &nseed, 4);
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dnsd_send(dns_fd, &q, out, 8);
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memcpy(&(u.host), &(q.from), q.fromlen);
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u.addrlen = q.fromlen;
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} else {
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version = htonl(VERSION);
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strncpy(out, "VNAK", sizeof(out));
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@ -151,32 +148,30 @@ tunnel(int tun_fd, int dns_fd)
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dnsd_send(dns_fd, &q, out, 8);
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}
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} else if(in[0] == 'L' || in[0] == 'l') {
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// Check sending ip number
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if (q.fromlen != u.addrlen ||
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memcmp(&(u.host), &(q.from), q.fromlen) != 0) {
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dnsd_send(dns_fd, &q, "BADIP", 5);
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// Login phase, handle auth
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login_calculate(logindata, 16, password, seed);
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if (read >= 17 && (memcmp(logindata, in+1, 16) == 0)) {
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// Login ok, send ip/mtu info
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myip.s_addr = my_ip;
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clientip.s_addr = my_ip + inet_addr("0.0.0.1");
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tmp[0] = strdup(inet_ntoa(myip));
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tmp[1] = strdup(inet_ntoa(clientip));
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read = snprintf(out, sizeof(out), "%s-%s-%d",
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tmp[0], tmp[1], my_mtu);
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// Store user ip
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memcpy(&(u.host), &(q.from), q.fromlen);
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u.addrlen = q.fromlen;
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dnsd_send(dns_fd, &q, out, read);
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q.id = 0;
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free(tmp[1]);
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free(tmp[0]);
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} else {
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// Login phase, handle auth
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login_calculate(logindata, 16, password, seed);
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if (read >= 17 && (memcmp(logindata, in+1, 16) == 0)) {
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// Login ok, send ip/mtu info
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myip.s_addr = my_ip;
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clientip.s_addr = my_ip + inet_addr("0.0.0.1");
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tmp[0] = strdup(inet_ntoa(myip));
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tmp[1] = strdup(inet_ntoa(clientip));
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read = snprintf(out, sizeof(out), "%s-%s-%d",
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tmp[0], tmp[1], my_mtu);
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dnsd_send(dns_fd, &q, out, read);
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q.id = 0;
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free(tmp[1]);
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free(tmp[0]);
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} else {
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dnsd_send(dns_fd, &q, "LNAK", 4);
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}
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dnsd_send(dns_fd, &q, "LNAK", 4);
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}
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} else if((in[0] >= '0' && in[0] <= '9')
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|| (in[0] >= 'a' && in[0] <= 'f')
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