// L2TPNS Radius Stuff
-char const *cvs_id_radius = "$Id: radius.c,v 1.50 2006/04/27 09:53:50 bodea Exp $";
+char const *cvs_id_radius = "$Id: radius.c,v 1.54 2006/08/02 13:35:39 bodea Exp $";
#include <time.h>
#include <stdio.h>
void initrad(void)
{
int i;
+ uint16_t port = 0;
+ uint16_t min = config->radius_bind_min;
+ uint16_t max = config->radius_bind_max;
+ int inc = 1;
+ struct sockaddr_in addr;
+
+ if (min)
+ {
+ port = min;
+ if (!max)
+ max = ~0 - 1;
+ }
+ else if (max) /* no minimum specified, bind from max down */
+ {
+ port = max;
+ min = 1;
+ inc = -1;
+ }
+
LOG(3, 0, 0, "Creating %d sockets for RADIUS queries\n", RADIUS_FDS);
radfds = calloc(sizeof(int), RADIUS_FDS);
for (i = 0; i < RADIUS_FDS; i++)
radfds[i] = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
flags = fcntl(radfds[i], F_GETFL, 0);
fcntl(radfds[i], F_SETFL, flags | O_NONBLOCK);
+
+ if (port)
+ {
+ int b;
+
+ memset(&addr, 0, sizeof(addr));
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = INADDR_ANY;
+
+ do {
+ addr.sin_port = htons(port);
+ if ((b = bind(radfds[i], (struct sockaddr *) &addr, sizeof(addr))) < 0)
+ {
+ if ((port += inc) < min || port > max)
+ {
+ LOG(0, 0, 0, "Can't bind RADIUS socket in range %u-%u\n", min, max);
+ exit(1);
+ }
+ }
+ } while (b < 0);
+ }
}
}
}
}
}
+
if (s)
{
*p = 5; // NAS-Port
p[1] = 6;
*(uint32_t *) (p + 2) = htonl(1); // PPP
p += p[1];
- }
- if (s && session[s].ip)
- {
- *p = 8; // Framed-IP-Address
- p[1] = 6;
- *(uint32_t *) (p + 2) = htonl(session[s].ip);
- p += p[1];
- }
- if (s && session[s].route[0].ip)
- {
- int r;
- for (r = 0; s && r < MAXROUTE && session[s].route[r].ip; r++)
+
+ if (session[s].ip)
+ {
+ *p = 8; // Framed-IP-Address
+ p[1] = 6;
+ *(uint32_t *) (p + 2) = htonl(session[s].ip);
+ p += p[1];
+ }
+
+ if (session[s].route[0].ip)
{
- int width = 32;
- if (session[s].route[r].mask)
+ int r;
+ for (r = 0; s && r < MAXROUTE && session[s].route[r].ip; r++)
{
- int mask = session[s].route[r].mask;
- while (!(mask & 1))
- {
- width--;
- mask >>= 1;
- }
+ int width = 32;
+ if (session[s].route[r].mask)
+ {
+ int mask = session[s].route[r].mask;
+ while (!(mask & 1))
+ {
+ width--;
+ mask >>= 1;
+ }
+ }
+
+ *p = 22; // Framed-Route
+ p[1] = sprintf((char *) p + 2, "%s/%d %s 1",
+ fmtaddr(htonl(session[s].route[r].ip), 0),
+ width, fmtaddr(htonl(session[s].ip), 1)) + 2;
+
+ p += p[1];
}
+ }
- *p = 22; // Framed-Route
- p[1] = sprintf((char *) p + 2, "%s/%d %s 1",
- fmtaddr(htonl(session[s].route[r].ip), 0),
- width, fmtaddr(htonl(session[s].ip), 1)) + 2;
+ if (session[s].session_timeout)
+ {
+ *p = 27; // Session-Timeout
+ p[1] = 6;
+ *(uint32_t *) (p + 2) = htonl(session[s].session_timeout);
+ p += p[1];
+ }
+ if (session[s].idle_timeout)
+ {
+ *p = 28; // Idle-Timeout
+ p[1] = 6;
+ *(uint32_t *) (p + 2) = htonl(session[s].idle_timeout);
+ p += p[1];
+ }
+
+ if (*session[s].called)
+ {
+ *p = 30; // called
+ p[1] = strlen(session[s].called) + 2;
+ strcpy((char *) p + 2, session[s].called);
+ p += p[1];
+ }
+
+ if (*session[s].calling)
+ {
+ *p = 31; // calling
+ p[1] = strlen(session[s].calling) + 2;
+ strcpy((char *) p + 2, session[s].calling);
p += p[1];
}
}
- if (*session[s].called)
- {
- *p = 30; // called
- p[1] = strlen(session[s].called) + 2;
- strcpy((char *) p + 2, session[s].called);
- p += p[1];
- }
- if (*session[s].calling)
- {
- *p = 31; // calling
- p[1] = strlen(session[s].calling) + 2;
- strcpy((char *) p + 2, session[s].calling);
- p += p[1];
- }
+
// NAS-IP-Address
*p = 4;
p[1] = 6;
LOG(3, s, session[s].tunnel, " Radius reply contains primary DNS address %s\n",
fmtaddr(htonl(session[s].dns1), 0));
}
- else if (*p == 27)
- {
- // Session timeout
- if (p[1] < 6) {
- LOG(2, s, session[s].tunnel, "Error: Received Session timeout with length %d < 6\n", p[1]);
- continue;
- }
-
- session[s].timeout = ntohl(*(uint32_t *) (p + 2));
- LOG(3, s, session[s].tunnel, " Radius reply contains Session timeout %d\n", session[s].timeout);
- if (!session[s].timeout)
- sessionshutdown(s, "Session timeout is zero", CDN_ADMIN_DISC, TERM_SESSION_TIMEOUT);
- }
else if (*p == 136)
{
// DNS address
ip_filters[f].used++;
}
}
+ else if (*p == 27)
+ {
+ // Session-Timeout
+ if (p[1] < 6) continue;
+ session[s].session_timeout = ntohl(*(uint32_t *)(p + 2));
+ LOG(3, s, session[s].tunnel, " Radius reply contains Session-Timeout = %u\n", session[s].session_timeout);
+ }
+ else if (*p == 28)
+ {
+ // Idle-Timeout
+ if (p[1] < 6) continue;
+ session[s].idle_timeout = ntohl(*(uint32_t *)(p + 2));
+ LOG(3, s, session[s].tunnel, " Radius reply contains Idle-Timeout = %u\n", session[s].idle_timeout);
+ }
else if (*p == 26 && p[1] >= 7)
{
// Vendor-Specific Attribute
- int vendor = ntohl(*(int *)(p + 2));
- char attrib = *(p + 6);
+ uint32_t vendor = ntohl(*(int *)(p + 2));
+ uint8_t attrib = *(p + 6);
int attrib_length = *(p + 7) - 2;
- LOG(3, s, session[s].tunnel, " Radius reply contains Vendor-Specific. Vendor=%d Attrib=%d Length=%d\n", vendor, attrib, attrib_length);
+ LOG(3, s, session[s].tunnel, " Radius reply contains Vendor-Specific. Vendor=%u Attrib=%u Length=%d\n", vendor, attrib, attrib_length);
if (vendor != 9 || attrib != 1)
{
LOG(3, s, session[s].tunnel, " Unknown vendor-specific\n");
projects / l2tpns.git / blobdiff