// Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced
// vim: sw=8 ts=8
-char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.21 2004/08/02 06:06:28 fred_nerk Exp $";
+char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.24 2004/08/26 06:22:37 fred_nerk Exp $";
#include <arpa/inet.h>
#include <assert.h>
if (CLI_HELP_REQUESTED)
return CLI_HELP_NO_ARGS;
- cli_print(cli, "%7s %s", "Sess#", "IP Address");
+ cli_print(cli, "%7s %s", "Sess#", "IP Address");
- for (i = 0; i < 256; ++i) {
- if (!d[i]) continue;
+ for (i = 0; i < 256; ++i)
+ {
+ if (!d[i])
+ continue;
e = (char**) d[i];
- for (j = 0; j < 256; ++j) {
- if (!e[j]) continue;
+ for (j = 0; j < 256; ++j)
+ {
+ if (!e[j])
+ continue;
f = (char**) e[j];
- for (k = 0; k < 256; ++k) {
- if (!f[k]) continue;
+ for (k = 0; k < 256; ++k)
+ {
+ if (!f[k])
+ continue;
g = (char**)f[k];
- for (l = 0; l < 256; ++l) {
- if (!g[l]) continue;
- cli_print(cli, "%7d %d.%d.%d.%d", (int) g[l], i, j, k, l);
+ for (l = 0; l < 256; ++l)
+ {
+ if (!g[l])
+ continue;
+ cli_print(cli, "%7d %d.%d.%d.%d", (int) g[l], i, j, k, l);
++count;
}
}
int s;
CSTAT(call_sessionbyuser);
- for (s = 1; s < MAXSESSION ; ++s) {
+ for (s = 1; s < MAXSESSION ; ++s)
+ {
if (session[s].walled_garden)
continue; // Skip walled garden users.
static int rate = 0; // Number of ICMP packets we've sent this second.
static int last = 0; // Last time we reset the ICMP packet counter 'rate'.
- if (last != time_now) {
+ if (last != time_now)
+ {
last = time_now;
rate = 0;
}
// Add on L2TP header
{
u8 *p = makeppp(b, sizeof(b), buf, len, t, s, PPPIP);
- if (!p) {
+ if (!p)
+ {
log(3, session[s].ip, s, t, "failed to send packet in processipout.\n");
return;
}
u8 b[MAXETHER + 20];
- if (len < 0 || len > MAXETHER) {
+ if (len < 0 || len > MAXETHER)
+ {
log(1,0,0,0, "Odd size IP packet: %d bytes\n", len);
return;
}
// Add on L2TP header
{
u8 *p = makeppp(b, sizeof(b), buf, len, t, s, PPPIP);
- if (!p) {
+ if (!p)
+ {
log(3, session[s].ip, s, t, "failed to send packet in send_ipout.\n");
return;
}
if (!session[s].tunnel)
return 0; // No-one home.
- if (!*session[s].user)
- return 0; // User not logged in
+ if (!*session[s].user)
+ return 0; // User not logged in
+
+ if (throttle)
+ {
+ int rate_in = throttle & 0x0000FFFF;
+ int rate_out = throttle >> 16;
- if (throttle) {
- if (session[s].tbf_in || session[s].tbf_out) {
+ if (session[s].tbf_in || session[s].tbf_out)
+ {
if (throttle == session[s].throttle)
return 1;
free_tbf(session[s].tbf_out);
}
- session[s].tbf_in = new_tbf(s, throttle*1024/4, throttle*1024/8, send_ipin);
- session[s].tbf_out = new_tbf(s, throttle*1024/4, throttle*1024/8, send_ipout);
+ if (rate_in) session[s].tbf_in = new_tbf(s, rate_in * 1024 / 4, rate_in * 1024 / 8, send_ipin);
+ if (rate_out) session[s].tbf_out = new_tbf(s, rate_out * 1024 / 4, rate_out * 1024 / 8, send_ipout);
- if (throttle != session[s].throttle) { // Changed. Flood to slaves.
+ if (throttle != session[s].throttle)
+ {
+ // Changed. Flood to slaves.
session[s].throttle = throttle;
cluster_send_session(s);
}
free_tbf(session[s].tbf_out);
session[s].tbf_out = 0;
- if (throttle != session[s].throttle) { // Changed. Flood to slaves.
+ if (throttle != session[s].throttle)
+ {
+ // Changed. Flood to slaves.
session[s].throttle = throttle;
cluster_send_session(s);
}
}
// RADIUS Stop message
- if (session[s].opened && !walled_garden && !dead) {
+ if (session[s].opened && !walled_garden && !dead)
+ {
u16 r = session[s].radius;
if (!r)
{
}
q = makeppp(buf,sizeof(buf), 0, 0, t, s, PPPIPCP);
- if (!q) {
+ if (!q)
+ {
log(3, session[s].ip, s, t, "failed to send packet in sendipcp.\n");
return;
}
char called[MAXTEL] = ""; // called number
char calling[MAXTEL] = ""; // calling number
- if (!config->cluster_iam_master) {
+ if (!config->cluster_iam_master)
+ {
master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port);
return;
}
//
// Is this a duplicate of the first packet? (SCCRQ)
//
- for ( i = 1; i <= config->cluster_highest_tunnelid ; ++i) {
+ for (i = 1; i <= config->cluster_highest_tunnelid ; ++i)
+ {
if (tunnel[i].state != TUNNELOPENING ||
tunnel[i].ip != ntohl(*(ipt *) & addr->sin_addr) ||
tunnel[i].port != ntohs(addr->sin_port) )
}
}
- if (!t) {
+ if (!t)
+ {
if (!(t = new_tunnel()))
{
log(1, ntohl(addr->sin_addr.s_addr), 0, 0, "No more tunnels\n");
{
u16 rescode = ntohs(*(u16 *)(b));
const char* resdesc = "(unknown)";
- if (message == 4) { /* StopCCN */
+ if (message == 4)
+ { /* StopCCN */
if (rescode <= MAX_STOPCCN_RESULT_CODE)
resdesc = stopccn_result_codes[rescode];
- } else if (message == 14) { /* CDN */
+ }
+ else if (message == 14)
+ { /* CDN */
if (rescode <= MAX_CDN_RESULT_CODE)
resdesc = cdn_result_codes[rescode];
}
log(4, ntohl(addr->sin_addr.s_addr), s, t, " Result Code %d: %s\n",
rescode, resdesc);
- if (n >= 4) {
+ if (n >= 4)
+ {
u16 errcode = ntohs(*(u16 *)(b + 2));
const char* errdesc = "(unknown)";
if (errcode <= MAX_ERROR_CODE)
// TBA
break;
case 12: // ICCN
+ if ( amagic == 0) amagic = time_now;
session[s].magic = amagic; // set magic number
session[s].l2tp_flags = aflags; // set flags received
log(3, ntohl(addr->sin_addr.s_addr), s, t, "Magic %X Flags %X\n", amagic, aflags);
u8 b[MAXCONTROL] = {0};
u8 *q = makeppp(b, sizeof(b), 0, 0, session[s].tunnel, s, PPPLCP);
- if (!q) {
+ if (!q)
+ {
log(3, session[s].ip, s, t, "failed to send ECHO packet.\n");
continue;
}
if (a & CLI_SESS_THROTTLE)
{
- log(2, 0, s, session[s].tunnel, "Throttling session by CLI (to %d)\n",
- cli_session_actions[s].throttle);
+ log(2, 0, s, session[s].tunnel, "Throttling session by CLI (to %dkb/s up and %dkb/s down)\n",
+ cli_session_actions[s].throttle & 0xFFFF,
+ cli_session_actions[s].throttle >> 16);
throttle_session(s, cli_session_actions[s].throttle);
}
int still_busy(void)
{
int i;
- static int last_talked = 0;
- for (i = config->cluster_highest_tunnelid ; i > 0 ; --i) {
+ static clockt last_talked = 0;
+ static clockt start_busy_wait = 0;
+ if (start_busy_wait == 0)
+ start_busy_wait = TIME;
+
+ for (i = config->cluster_highest_tunnelid ; i > 0 ; --i)
+ {
if (!tunnel[i].controlc)
continue;
- if (last_talked != TIME) {
+ if (last_talked != TIME)
+ {
log(2,0,0,0, "Tunnel %d still has un-acked control messages.\n", i);
last_talked = TIME;
}
return 1;
}
+ // We stop waiting for radius after BUSY_WAIT_TIMEOUT 1/10th seconds
+ if (abs(TIME - start_busy_wait) > BUSY_WAIT_TIMEOUT)
+ {
+ log(1, 0, 0, 0, "Giving up waiting for RADIUS to be empty. Shutting down anyway.\n");
+ return 0;
+ }
+
for (i = 1; i < MAXRADIUS; i++)
{
if (radius[i].state == RADIUSNULL)
if (radius[i].state == RADIUSWAIT)
continue;
- if (last_talked != TIME) {
+ if (last_talked != TIME)
+ {
log(2,0,0,0, "Radius session %d is still busy (sid %d)\n", i, radius[i].session);
last_talked = TIME;
}
for (i = 0; i < config->num_radfds; i++)
if (FD_ISSET(radfds[i], &r))
processrad(buf, recv(radfds[i], buf, sizeof(buf), 0), i);
- if (FD_ISSET(cluster_sockfd, &r)) {
+ if (FD_ISSET(cluster_sockfd, &r))
+ {
int size;
size = recvfrom(cluster_sockfd, buf, sizeof(buf), MSG_WAITALL, (void *) &addr, &alen);
processcluster(buf, size, addr.sin_addr.s_addr);
// Runs on all machines both master and slave.
{
static clockt last_run = 0;
- if (last_run != TIME) {
+ if (last_run != TIME)
+ {
last_run = TIME;
tbf_run_timer();
}
* something to read, else under load this will never actually run....
*
*/
- if (config->cluster_iam_master && next_clean <= time_now) {
- if (regular_cleanups()) { // Did it finish?
+ if (config->cluster_iam_master && next_clean <= time_now)
+ {
+ if (regular_cleanups())
+ {
+ // Did it finish?
next_clean = time_now + 1 ; // Didn't finish. Check quickly.
- } else {
+ }
+ else
+ {
next_clean = time_now + config->cleanup_interval; // Did. Move to next interval.
}
}
memset(ip_address_pool, 0, sizeof(ippoolt) * MAXIPPOOL);
// Put all the sessions on the free list marked as undefined.
- for (i = 1; i < MAXSESSION - 1; i++) {
+ for (i = 1; i < MAXSESSION - 1; i++)
+ {
session[i].next = i + 1;
session[i].tunnel = T_UNDEF; // mark it as not filled in.
}
sessionfree = 1;
// Mark all the tunnels as undefined (waiting to be filled in by a download).
- for (i = 1; i < MAXTUNNEL- 1; i++) {
+ for (i = 1; i < MAXTUNNEL- 1; i++)
tunnel[i].state = TUNNELUNDEF; // mark it as not filled in.
- }
if (!*hostname)
{
//
// Zero the IP pool allocation, and build
// a map from IP address to pool index.
- for (i = 1; i < MAXIPPOOL; ++i) {
+ for (i = 1; i < MAXIPPOOL; ++i)
+ {
ip_address_pool[i].assigned = 0;
ip_address_pool[i].session = 0;
if (!ip_address_pool[i].address)
cache_ipmap(ip_address_pool[i].address, -i); // Map pool IP to pool index.
}
- for (i = 0; i < MAXSESSION; ++i) {
+ for (i = 0; i < MAXSESSION; ++i)
+ {
int ipid;
if (!session[i].ip || !session[i].tunnel)
continue;
ipid = - lookup_ipmap(htonl(session[i].ip));
- if (session[i].ip_pool_index < 0) { // Not allocated out of the pool.
+ if (session[i].ip_pool_index < 0)
+ {
+ // Not allocated out of the pool.
if (ipid < 1) // Not found in the pool either? good.
continue;
}
- if (ipid > MAXIPPOOL || ipid < 0) {
+ if (ipid > MAXIPPOOL || ipid < 0)
+ {
log(0, 0, i, 0, "Session %d has a pool IP that's not found in the pool! (%d)\n", i, ipid);
ipid = -1;
session[i].ip_pool_index = ipid;
void dump_acct_info()
{
- char filename[1024];
- char timestr[64];
- time_t t = time(NULL);
- int i;
- FILE *f = NULL;
+ char filename[1024];
+ char timestr[64];
+ time_t t = time(NULL);
+ int i;
+ FILE *f = NULL;
- CSTAT(call_dump_acct_info);
+ CSTAT(call_dump_acct_info);
- strftime(timestr, 64, "%Y%m%d%H%M%S", localtime(&t));
- snprintf(filename, 1024, "%s/%s", config->accounting_dir, timestr);
+ strftime(timestr, 64, "%Y%m%d%H%M%S", localtime(&t));
+ snprintf(filename, 1024, "%s/%s", config->accounting_dir, timestr);
- for (i = 0; i < MAXSESSION; i++)
- {
- if (!session[i].opened || !session[i].ip || !session[i].cin || !session[i].cout || !*session[i].user || session[i].walled_garden)
- continue;
- if (!f)
+ for (i = 0; i < MAXSESSION; i++)
{
- time_t now = time(NULL);
- if (!(f = fopen(filename, "w")))
- {
- log(0, 0, 0, 0, "Can't write accounting info to %s: %s\n", filename, strerror(errno));
- return;
- }
- log(3, 0, 0, 0, "Dumping accounting information to %s\n", filename);
- fprintf(f, "# dslwatch.pl dump file V1.01\n"
- "# host: %s\n"
- "# time: %ld\n"
- "# uptime: %ld\n"
- "# format: username ip qos uptxoctets downrxoctets\n",
- hostname,
- now,
- now - basetime);
- }
-
- log(4, 0, 0, 0, "Dumping accounting information for %s\n", session[i].user);
- fprintf(f, "%s %s %d %u %u\n",
- session[i].user, // username
- inet_toa(htonl(session[i].ip)), // ip
- (session[i].throttle) ? 2 : 1, // qos
- (u32)session[i].cin, // uptxoctets
- (u32)session[i].cout); // downrxoctets
-
- session[i].pin = session[i].cin = 0;
- session[i].pout = session[i].cout = 0;
- }
-
- if (f) fclose(f);
+ if (!session[i].opened || !session[i].ip || !session[i].cin || !session[i].cout || !*session[i].user || session[i].walled_garden)
+ continue;
+ if (!f)
+ {
+ time_t now = time(NULL);
+ if (!(f = fopen(filename, "w")))
+ {
+ log(0, 0, 0, 0, "Can't write accounting info to %s: %s\n", filename, strerror(errno));
+ return ;
+ }
+ log(3, 0, 0, 0, "Dumping accounting information to %s\n", filename);
+ fprintf(f, "# dslwatch.pl dump file V1.01\n"
+ "# host: %s\n"
+ "# time: %ld\n"
+ "# uptime: %ld\n"
+ "# format: username ip qos uptxoctets downrxoctets\n",
+ hostname,
+ now,
+ now - basetime);
+ }
+
+ log(4, 0, 0, 0, "Dumping accounting information for %s\n", session[i].user);
+ fprintf(f, "%s %s %d %u %u\n",
+ session[i].user, // username
+ inet_toa(htonl(session[i].ip)), // ip
+ (session[i].throttle) ? 2 : 1, // qos
+ (u32)session[i].cin, // uptxoctets
+ (u32)session[i].cout); // downrxoctets
+
+ session[i].pin = session[i].cin = 0;
+ session[i].pout = session[i].cout = 0;
+ }
+
+ if (f)
+ fclose(f);
}
// Main program
signal(SIGPIPE, SIG_IGN);
bgp_setup(config->as_number);
bgp_add_route(config->bind_address, 0xffffffff);
- if (*config->bgp_peer[0])
+ if (*config->bgp_peer[0])
bgp_start(&bgp_peers[0], config->bgp_peer[0],
config->bgp_peer_as[0], 0); /* 0 = routing disabled */
- if (*config->bgp_peer[1])
+ if (*config->bgp_peer[1])
bgp_start(&bgp_peers[1], config->bgp_peer[1],
config->bgp_peer_as[1], 0);
#endif /* BGP */
void read_state()
{
- struct stat sb;
- int i;
- ippoolt itmp;
- FILE *f;
- char magic[sizeof(DUMP_MAGIC)-1];
- u32 buf[2];
+ struct stat sb;
+ int i;
+ ippoolt itmp;
+ FILE *f;
+ char magic[sizeof(DUMP_MAGIC) - 1];
+ u32 buf[2];
- if (!config->save_state)
- {
- unlink(STATEFILE);
- return;
- }
+ if (!config->save_state)
+ {
+ unlink(STATEFILE);
+ return ;
+ }
- if (stat(STATEFILE, &sb) < 0)
- {
- unlink(STATEFILE);
- return;
- }
+ if (stat(STATEFILE, &sb) < 0)
+ {
+ unlink(STATEFILE);
+ return ;
+ }
- if (sb.st_mtime < (time(NULL) - 60))
- {
- log(0, 0, 0, 0, "State file is too old to read, ignoring\n");
+ if (sb.st_mtime < (time(NULL) - 60))
+ {
+ log(0, 0, 0, 0, "State file is too old to read, ignoring\n");
+ unlink(STATEFILE);
+ return ;
+ }
+
+ f = fopen(STATEFILE, "r");
unlink(STATEFILE);
- return;
- }
-
- f = fopen(STATEFILE, "r");
- unlink(STATEFILE);
-
- if (!f)
- {
- log(0, 0, 0, 0, "Can't read state file: %s\n", strerror(errno));
- exit(1);
- }
-
- if (fread(magic, sizeof(magic), 1, f) != 1 || strncmp(magic, DUMP_MAGIC, sizeof(magic)))
- {
- log(0, 0, 0, 0, "Bad state file magic\n");
- exit(1);
- }
-
- log(1, 0, 0, 0, "Reading state information\n");
- if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] > MAXIPPOOL || buf[1] != sizeof(ippoolt))
- {
- log(0, 0, 0, 0, "Error/mismatch reading ip pool header from state file\n");
- exit(1);
- }
-
- if (buf[0] > ip_pool_size)
- {
- log(0, 0, 0, 0, "ip pool has shrunk! state = %d, current = %d\n", buf[0], ip_pool_size);
- exit(1);
- }
-
- log(2, 0, 0, 0, "Loading %u ip addresses\n", buf[0]);
- for (i = 0; i < buf[0]; i++)
- {
- if (fread(&itmp, sizeof(itmp), 1, f) != 1)
- {
- log(0, 0, 0, 0, "Error reading ip %d from state file: %s\n", i, strerror(errno));
- exit(1);
- }
-
- if (itmp.address != ip_address_pool[i].address)
- {
- log(0, 0, 0, 0, "Mismatched ip %d from state file: pool may only be extended\n", i);
- exit(1);
- }
-
- memcpy(&ip_address_pool[i], &itmp, sizeof(itmp));
- }
-
- if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] != MAXTUNNEL || buf[1] != sizeof(tunnelt))
- {
- log(0, 0, 0, 0, "Error/mismatch reading tunnel header from state file\n");
- exit(1);
- }
-
- log(2, 0, 0, 0, "Loading %u tunnels\n", MAXTUNNEL);
- if (fread(tunnel, sizeof(tunnelt), MAXTUNNEL, f) != MAXTUNNEL)
- {
- log(0, 0, 0, 0, "Error reading tunnel data from state file\n");
- exit(1);
- }
-
- for (i = 0; i < MAXTUNNEL; i++)
- {
- tunnel[i].controlc = 0;
- tunnel[i].controls = NULL;
- tunnel[i].controle = NULL;
- if (*tunnel[i].hostname)
- log(3, 0, 0, 0, "Created tunnel for %s\n", tunnel[i].hostname);
- }
-
- if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] != MAXSESSION || buf[1] != sizeof(sessiont))
- {
- log(0, 0, 0, 0, "Error/mismatch reading session header from state file\n");
- exit(1);
- }
-
- log(2, 0, 0, 0, "Loading %u sessions\n", MAXSESSION);
- if (fread(session, sizeof(sessiont), MAXSESSION, f) != MAXSESSION)
- {
- log(0, 0, 0, 0, "Error reading session data from state file\n");
- exit(1);
- }
-
- for (i = 0; i < MAXSESSION; i++)
- {
- session[i].tbf_in = 0;
- session[i].tbf_out = 0;
- if (session[i].opened)
- {
- log(2, 0, i, 0, "Loaded active session for user %s\n", session[i].user);
- if (session[i].ip)
- sessionsetup(session[i].tunnel, i);
- }
- }
-
- fclose(f);
- log(0, 0, 0, 0, "Loaded saved state information\n");
+
+ if (!f)
+ {
+ log(0, 0, 0, 0, "Can't read state file: %s\n", strerror(errno));
+ exit(1);
+ }
+
+ if (fread(magic, sizeof(magic), 1, f) != 1 || strncmp(magic, DUMP_MAGIC, sizeof(magic)))
+ {
+ log(0, 0, 0, 0, "Bad state file magic\n");
+ exit(1);
+ }
+
+ log(1, 0, 0, 0, "Reading state information\n");
+ if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] > MAXIPPOOL || buf[1] != sizeof(ippoolt))
+ {
+ log(0, 0, 0, 0, "Error/mismatch reading ip pool header from state file\n");
+ exit(1);
+ }
+
+ if (buf[0] > ip_pool_size)
+ {
+ log(0, 0, 0, 0, "ip pool has shrunk! state = %d, current = %d\n", buf[0], ip_pool_size);
+ exit(1);
+ }
+
+ log(2, 0, 0, 0, "Loading %u ip addresses\n", buf[0]);
+ for (i = 0; i < buf[0]; i++)
+ {
+ if (fread(&itmp, sizeof(itmp), 1, f) != 1)
+ {
+ log(0, 0, 0, 0, "Error reading ip %d from state file: %s\n", i, strerror(errno));
+ exit(1);
+ }
+
+ if (itmp.address != ip_address_pool[i].address)
+ {
+ log(0, 0, 0, 0, "Mismatched ip %d from state file: pool may only be extended\n", i);
+ exit(1);
+ }
+
+ memcpy(&ip_address_pool[i], &itmp, sizeof(itmp));
+ }
+
+ if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] != MAXTUNNEL || buf[1] != sizeof(tunnelt))
+ {
+ log(0, 0, 0, 0, "Error/mismatch reading tunnel header from state file\n");
+ exit(1);
+ }
+
+ log(2, 0, 0, 0, "Loading %u tunnels\n", MAXTUNNEL);
+ if (fread(tunnel, sizeof(tunnelt), MAXTUNNEL, f) != MAXTUNNEL)
+ {
+ log(0, 0, 0, 0, "Error reading tunnel data from state file\n");
+ exit(1);
+ }
+
+ for (i = 0; i < MAXTUNNEL; i++)
+ {
+ tunnel[i].controlc = 0;
+ tunnel[i].controls = NULL;
+ tunnel[i].controle = NULL;
+ if (*tunnel[i].hostname)
+ log(3, 0, 0, 0, "Created tunnel for %s\n", tunnel[i].hostname);
+ }
+
+ if (fread(buf, sizeof(buf), 1, f) != 1 || buf[0] != MAXSESSION || buf[1] != sizeof(sessiont))
+ {
+ log(0, 0, 0, 0, "Error/mismatch reading session header from state file\n");
+ exit(1);
+ }
+
+ log(2, 0, 0, 0, "Loading %u sessions\n", MAXSESSION);
+ if (fread(session, sizeof(sessiont), MAXSESSION, f) != MAXSESSION)
+ {
+ log(0, 0, 0, 0, "Error reading session data from state file\n");
+ exit(1);
+ }
+
+ for (i = 0; i < MAXSESSION; i++)
+ {
+ session[i].tbf_in = 0;
+ session[i].tbf_out = 0;
+ if (session[i].opened)
+ {
+ log(2, 0, i, 0, "Loaded active session for user %s\n", session[i].user);
+ if (session[i].ip)
+ sessionsetup(session[i].tunnel, i);
+ }
+ }
+
+ fclose(f);
+ log(0, 0, 0, 0, "Loaded saved state information\n");
}
void dump_state()
{
- FILE *f;
- u32 buf[2];
+ FILE *f;
+ u32 buf[2];
- if (!config->save_state)
- return;
+ if (!config->save_state)
+ return;
- do {
- if (!(f = fopen(STATEFILE, "w")))
- break;
+ do
+ {
+ if (!(f = fopen(STATEFILE, "w")))
+ break;
- log(1, 0, 0, 0, "Dumping state information\n");
+ log(1, 0, 0, 0, "Dumping state information\n");
- if (fwrite(DUMP_MAGIC, sizeof(DUMP_MAGIC)-1, 1, f) != 1) break;
+ if (fwrite(DUMP_MAGIC, sizeof(DUMP_MAGIC) - 1, 1, f) != 1)
+ break;
- log(2, 0, 0, 0, "Dumping %u ip addresses\n", ip_pool_size);
- buf[0] = ip_pool_size;
- buf[1] = sizeof(ippoolt);
- if (fwrite(buf, sizeof(buf), 1, f) != 1) break;
- if (fwrite(ip_address_pool, sizeof(ippoolt), ip_pool_size, f) != ip_pool_size) break;
+ log(2, 0, 0, 0, "Dumping %u ip addresses\n", ip_pool_size);
+ buf[0] = ip_pool_size;
+ buf[1] = sizeof(ippoolt);
+ if (fwrite(buf, sizeof(buf), 1, f) != 1)
+ break;
+ if (fwrite(ip_address_pool, sizeof(ippoolt), ip_pool_size, f) != ip_pool_size)
+ break;
- log(2, 0, 0, 0, "Dumping %u tunnels\n", MAXTUNNEL);
- buf[0] = MAXTUNNEL;
- buf[1] = sizeof(tunnelt);
- if (fwrite(buf, sizeof(buf), 1, f) != 1) break;
- if (fwrite(tunnel, sizeof(tunnelt), MAXTUNNEL, f) != MAXTUNNEL) break;
+ log(2, 0, 0, 0, "Dumping %u tunnels\n", MAXTUNNEL);
+ buf[0] = MAXTUNNEL;
+ buf[1] = sizeof(tunnelt);
+ if (fwrite(buf, sizeof(buf), 1, f) != 1)
+ break;
+ if (fwrite(tunnel, sizeof(tunnelt), MAXTUNNEL, f) != MAXTUNNEL)
+ break;
- log(2, 0, 0, 0, "Dumping %u sessions\n", MAXSESSION);
- buf[0] = MAXSESSION;
- buf[1] = sizeof(sessiont);
- if (fwrite(buf, sizeof(buf), 1, f) != 1) break;
- if (fwrite(session, sizeof(sessiont), MAXSESSION, f) != MAXSESSION) break;
+ log(2, 0, 0, 0, "Dumping %u sessions\n", MAXSESSION);
+ buf[0] = MAXSESSION;
+ buf[1] = sizeof(sessiont);
+ if (fwrite(buf, sizeof(buf), 1, f) != 1)
+ break;
+ if (fwrite(session, sizeof(sessiont), MAXSESSION, f) != MAXSESSION)
+ break;
- if (fclose(f) == 0) return; // OK
- } while (0);
+ if (fclose(f) == 0)
+ return ; // OK
+ }
+ while (0);
- log(0, 0, 0, 0, "Can't write state information: %s\n", strerror(errno));
- unlink(STATEFILE);
+ log(0, 0, 0, 0, "Can't write state information: %s\n", strerror(errno));
+ unlink(STATEFILE);
}
void build_chap_response(char *challenge, u8 id, u16 challenge_length, char **challenge_response)
static int facility_value(char *name)
{
- int i;
- for (i = 0; facilitynames[i].c_name; i++)
- {
- if (strcmp(facilitynames[i].c_name, name) == 0)
- return facilitynames[i].c_val;
- }
- return 0;
+ int i;
+ for (i = 0; facilitynames[i].c_name; i++)
+ {
+ if (strcmp(facilitynames[i].c_name, name) == 0)
+ return facilitynames[i].c_val;
+ }
+ return 0;
}
void update_config()
FILE *f;
if (!config->config_file) return;
- if (!(f = fopen(config->config_file, "r"))) {
+ if (!(f = fopen(config->config_file, "r")))
+ {
fprintf(stderr, "Can't open config file %s: %s\n", config->config_file, strerror(errno));
return;
}
// Sanity checks.
if (new->ip_pool_index >= MAXIPPOOL ||
- new->tunnel >= MAXTUNNEL) {
+ new->tunnel >= MAXTUNNEL)
+ {
log(0,0,s,0, "Strange session update received!\n");
// FIXME! What to do here?
return 0;
uncache_ipmap(session[s].ip);
}
- if (new->ip) { // If there's a new one, add it.
+ if (new->ip)
+ {
+ // If there's a new one, add it.
if (new->ip_pool_index == -1)
routeset(s, new->ip, 0, 0, 1);
else
int s;
run_plugins(PLUGIN_BECOME_MASTER, NULL);
- for (s = 1; s <= config->cluster_highest_sessionid ; ++s) {
+ for (s = 1; s <= config->cluster_highest_sessionid ; ++s)
+ {
if (!session[s].tunnel) // Not an in-use session.
continue;
time(&time_now);
for (i = 0; i < 64;++i) buckets[i] = 0;
- for (s = 1; s <= config->cluster_highest_sessionid ; ++s) {
+ for (s = 1; s <= config->cluster_highest_sessionid ; ++s)
+ {
int idle;
if (!session[s].tunnel)
continue;
++buckets[idle];
}
- for (i = 0; i < 63; ++i) {
+ for (i = 0; i < 63; ++i)
+ {
cli_print(cli, "%3d seconds : %7.2f%% (%6d)", i * 5, (double) buckets[i] * 100.0 / count , buckets[i]);
}
cli_print(cli, "lots of secs : %7.2f%% (%6d)", (double) buckets[63] * 100.0 / count , buckets[i]);
time(&time_now);
for (i = 0; i < 64;++i) buckets[i] = 0;
- for (s = 1; s <= config->cluster_highest_sessionid ; ++s) {
+ for (s = 1; s <= config->cluster_highest_sessionid ; ++s)
+ {
int open = 0, d;
if (!session[s].tunnel)
continue;
d = time_now - session[s].opened;
if (d < 0)
d = 0;
- while (d > 1 && open < 32) {
+ while (d > 1 && open < 32)
+ {
++open;
d >>= 1; // half.
}
}
s = 1;
- for (i = 0; i < 30; ++i) {
+ for (i = 0; i < 30; ++i)
+ {
cli_print(cli, " < %8d seconds : %7.2f%% (%6d)", s, (double) buckets[i] * 100.0 / count , buckets[i]);
s <<= 1;
}
projects / l2tpns.git / blobdiff