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iodine
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#1 move saving of client ip

This commit is contained in:
Erik Ekman 2007-01-31 19:34:27 +00:00
parent 5733c68988
commit 8c7fb4d947
1 changed files with 23 additions and 28 deletions
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51
src/iodined.c
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@ -135,9 +135,6 @@ tunnel(int tun_fd, int dns_fd)
strncpy(out, "VACK", sizeof(out));
memcpy(out+4, &nseed, 4);
dnsd_send(dns_fd, &q, out, 8);
memcpy(&(u.host), &(q.from), q.fromlen);
u.addrlen = q.fromlen;
} else {
version = htonl(VERSION);
strncpy(out, "VNAK", sizeof(out));
@ -151,32 +148,30 @@ tunnel(int tun_fd, int dns_fd)
dnsd_send(dns_fd, &q, out, 8);
}
} else if(in[0] == 'L' || in[0] == 'l') {
// Check sending ip number
if (q.fromlen != u.addrlen ||
memcmp(&(u.host), &(q.from), q.fromlen) != 0) {
dnsd_send(dns_fd, &q, "BADIP", 5);
// Login phase, handle auth
login_calculate(logindata, 16, password, seed);
if (read >= 17 && (memcmp(logindata, in+1, 16) == 0)) {
// Login ok, send ip/mtu info
myip.s_addr = my_ip;
clientip.s_addr = my_ip + inet_addr("0.0.0.1");
tmp[0] = strdup(inet_ntoa(myip));
tmp[1] = strdup(inet_ntoa(clientip));
read = snprintf(out, sizeof(out), "%s-%s-%d",
tmp[0], tmp[1], my_mtu);
// Store user ip
memcpy(&(u.host), &(q.from), q.fromlen);
u.addrlen = q.fromlen;
dnsd_send(dns_fd, &q, out, read);
q.id = 0;
free(tmp[1]);
free(tmp[0]);
} else {
// Login phase, handle auth
login_calculate(logindata, 16, password, seed);
if (read >= 17 && (memcmp(logindata, in+1, 16) == 0)) {
// Login ok, send ip/mtu info
myip.s_addr = my_ip;
clientip.s_addr = my_ip + inet_addr("0.0.0.1");
tmp[0] = strdup(inet_ntoa(myip));
tmp[1] = strdup(inet_ntoa(clientip));
read = snprintf(out, sizeof(out), "%s-%s-%d",
tmp[0], tmp[1], my_mtu);
dnsd_send(dns_fd, &q, out, read);
q.id = 0;
free(tmp[1]);
free(tmp[0]);
} else {
dnsd_send(dns_fd, &q, "LNAK", 4);
}
dnsd_send(dns_fd, &q, "LNAK", 4);
}
} else if((in[0] >= '0' && in[0] <= '9')
|| (in[0] >= 'a' && in[0] <= 'f')