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add radius_bind_{min,max} options

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This commit is contained in:
Brendan O'Dea 2006-07-01 12:40:10 +00:00
parent d2f496f603
commit e49d6736b5
7 changed files with 76 additions and 13 deletions
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42
radius.c
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@ -1,6 +1,6 @@
// L2TPNS Radius Stuff
char const *cvs_id_radius = "$Id: radius.c,v 1.51 2006-06-11 12:46:18 bodea Exp $";
char const *cvs_id_radius = "$Id: radius.c,v 1.52 2006-07-01 12:40:17 bodea Exp $";
#include <time.h>
#include <stdio.h>
@ -45,6 +45,25 @@ static void calc_auth(const void *buf, size_t len, const uint8_t *in, uint8_t *o
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++)
@ -53,6 +72,27 @@ void initrad(void)
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);
}
}
}