[asterisk-commits] oej: branch oej/libmidcom-new r48347 -
/team/oej/libmidcom-new/
asterisk-commits at lists.digium.com
asterisk-commits at lists.digium.com
Thu Dec 7 01:47:06 MST 2006
Author: oej
Date: Thu Dec 7 02:47:06 2006
New Revision: 48347
URL: http://svn.digium.com/view/asterisk?view=rev&rev=48347
Log:
More cleanups, still doesn't compile cleanly
Modified:
team/oej/libmidcom-new/res_netsec.c
team/oej/libmidcom-new/res_netsec.h
Modified: team/oej/libmidcom-new/res_netsec.c
URL: http://svn.digium.com/view/asterisk/team/oej/libmidcom-new/res_netsec.c?view=diff&rev=48347&r1=48346&r2=48347
==============================================================================
--- team/oej/libmidcom-new/res_netsec.c (original)
+++ team/oej/libmidcom-new/res_netsec.c Thu Dec 7 02:47:06 2006
@@ -37,6 +37,9 @@
* - fix autoconfigure to set MIDCOM_EXISTS flag if libmidcom is installed
*/
+/*** MODULEINFO
+ <depend>libmidcom</depend>
+ ***/
#include <stdio.h>
#include <stdlib.h>
@@ -76,6 +79,8 @@
static char cert[512];
static char* config = "midcom.conf";
static int midcom_enabled = 1;
+static int told_them_that_midcom_is_not_enabled = 0;
+
static int usecnt = 0;
AST_MUTEX_DEFINE_STATIC(usecnt_lock);
@@ -187,12 +192,12 @@
static void midcom_get_vredirip_video_hook(void *r, struct sockaddr_in *vredirip);
static void midcom_rtp_get_their_nat_audio_hook(struct ast_rtp *rtp, void *r);
static void midcom_rtp_get_their_nat_video_hook(struct ast_rtp *vrtp, void *r);
-static void midcom_sip_helper_register(struct ast_sip_helper_cb *cb);
+static void midcom_sip_helper_register(struct ast_rtp_helper_cb *cb);
static void midcom_sip_helper_unregister(void);
static struct midcom_rule *get_peer_rule(struct midcom_rule *r);
-static struct ast_sip_helper_cb *channel_cb = NULL;
+static struct ast_rtp_helper_cb *channel_cb = NULL;
struct ast_sip_hook_cb *midcom_cb = NULL; /*move this to the core asterisk files */
@@ -250,7 +255,7 @@
};
/*! \brief Register callback function */
-static void midcom_sip_helper_register(struct ast_sip_helper_cb *cb)
+static void midcom_sip_helper_register(struct ast_rtp_helper_cb *cb)
{
channel_cb = cb;
}
@@ -344,19 +349,12 @@
return 0;
}
-int usecount()
-{
- return usecnt;
-}
-
-char *key()
-{
- return ASTERISK_GPL_KEY;
-}
-
-char *description()
-{
- return (char *) desc;
+static void midcom_warning(void)
+{
+ if(!told_them_that_midcom_is_not_enabled ) {
+ ast_log(LOG_WARNING, "Midcom: Module not enabled\n");
+ told_them_that_midcom_is_not_enabled = 1;
+ }
}
/*! \brief Turn on Midcom firewall (CLI command) */
@@ -394,7 +392,6 @@
struct midcom_rule *r = midcom_rule_head;
char name[256];
- char iabuf1[INET_ADDRSTRLEN], iabuf2[INET_ADDRSTRLEN], iabuf3[INET_ADDRSTRLEN];
struct ast_channel *peer_chan;
struct midcom_rule *peer_rule;
struct sockaddr_in peer_ip;
@@ -451,11 +448,11 @@
strncpy(status, "Deleted", sizeof(status));
ast_cli(fd, FORMAT, name,
- r->our_internal_addr.sin_addr.s_addr ? ast_inet_ntoa(iabuf1, sizeof(iabuf1), r->our_internal_addr.sin_addr) : "(Unspecified)",
+ r->our_internal_addr.sin_addr.s_addr ? ast_inet_ntoa(r->our_internal_addr.sin_addr) : "(Unspecified)",
ntohs(r->our_internal_addr.sin_port),
- r->our_natted_addr.sin_addr.s_addr ? ast_inet_ntoa(iabuf2, sizeof(iabuf2), r->our_natted_addr.sin_addr) : "(Unspecified)",
+ r->our_natted_addr.sin_addr.s_addr ? ast_inet_ntoa(r->our_natted_addr.sin_addr) : "(Unspecified)",
ntohs(r->our_natted_addr.sin_port),
- peer_ip.sin_addr.s_addr ? ast_inet_ntoa(iabuf3, sizeof(iabuf3), peer_ip.sin_addr) : "(Unspecified)",
+ peer_ip.sin_addr.s_addr ? ast_inet_ntoa( peer_ip.sin_addr) : "(Unspecified)",
ntohs(peer_ip.sin_port),
"Audio",
status);
@@ -463,11 +460,11 @@
peer_ip = peer_rule->our_natted_vaddr;
ast_cli(fd, FORMAT, name,
- r->our_internal_vaddr.sin_addr.s_addr ? ast_inet_ntoa(iabuf1, sizeof(iabuf1), r->our_internal_vaddr.sin_addr) : "(Unspecified)",
+ r->our_internal_vaddr.sin_addr.s_addr ? ast_inet_ntoa(r->our_internal_vaddr.sin_addr) : "(Unspecified)",
ntohs(r->our_internal_vaddr.sin_port),
- r->our_natted_vaddr.sin_addr.s_addr ? ast_inet_ntoa(iabuf2, sizeof(iabuf2), r->our_natted_vaddr.sin_addr) : "(Unspecified)",
+ r->our_natted_vaddr.sin_addr.s_addr ? ast_inet_ntoa(r->our_natted_vaddr.sin_addr) : "(Unspecified)",
ntohs(r->our_natted_vaddr.sin_port),
- peer_ip.sin_addr.s_addr ? ast_inet_ntoa(iabuf3, sizeof(iabuf3), peer_ip.sin_addr) : "(Unspecified)",
+ peer_ip.sin_addr.s_addr ? ast_inet_ntoa(peer_ip.sin_addr) : "(Unspecified)",
ntohs(peer_ip.sin_port),
"Video",
status);
@@ -530,83 +527,84 @@
struct connection *conn, *curr, *prev = NULL;
struct ast_variable *v;
int dupl = 0;
- char iabuf[INET_ADDRSTRLEN];
+
+ told_them_that_midcom_is_not_enabled = 0; /* Reset */
cfg = ast_config_load(config);
if (cfg) {
if ((s = ast_variable_retrieve(cfg, "general", "midcomnat"))) {
- if (!strcasecmp(s, "nearend"))
- midcomnat = NEAREND;
- else if (!strcasecmp(s, "farend"))
- midcomnat = FAREND;
- else {
- midcomnat = NO_MIDCOM;
- midcom_enabled = 0;
- }
+ if (!strcasecmp(s, "nearend"))
+ midcomnat = NEAREND;
+ else if (!strcasecmp(s, "farend"))
+ midcomnat = FAREND;
+ else {
+ midcomnat = NO_MIDCOM;
+ midcom_enabled = 0;
+ }
}
if ((s = ast_variable_retrieve(cfg, "general", "certificate"))) {
- ast_copy_string(cert, s, sizeof(cert));
+ ast_copy_string(cert, s, sizeof(cert));
}
if ((s = ast_variable_retrieve(cfg, "general", "lb"))) {
}
cat = ast_category_browse(cfg, NULL);
while (cat) {
- if (strcasecmp(cat, "general")) {
+ if (strcasecmp(cat, "general")) {
utype = ast_variable_retrieve(cfg, cat, "type");
if (utype) {
- if (!strcasecmp(utype, "midbox")) {
- conn = (struct connection*)malloc(sizeof(struct connection));
- if (!conn)
- break;
- memset(conn, 0, sizeof(struct connection));
- ast_copy_string(conn->name, cat, sizeof(conn->name));
- v = ast_variable_browse(cfg, cat);
- while (v) {
- if (!strcasecmp(v->name, "ip")) {
+ if (!strcasecmp(utype, "midbox")) {
+ conn = (struct connection*)malloc(sizeof(struct connection));
+ if (!conn)
+ break;
+ memset(conn, 0, sizeof(struct connection));
+ ast_copy_string(conn->name, cat, sizeof(conn->name));
+ v = ast_variable_browse(cfg, cat);
+ while (v) {
+ if (!strcasecmp(v->name, "ip")) {
inet_aton(v->value, &(conn->ipaddress));
- } else if (!strcasecmp(v->name, "username")) {
+ } else if (!strcasecmp(v->name, "username")) {
ast_copy_string(conn->username, v->value, sizeof(conn->username));
- } else if (!strcasecmp(v->name, "password")) {
+ } else if (!strcasecmp(v->name, "password")) {
ast_copy_string(conn->password, v->value, sizeof(conn->password));
- } else if (!strcasecmp(v->name, "transport")) {
+ } else if (!strcasecmp(v->name, "transport")) {
if (!strcasecmp(v->value, "tls"))
- conn->tls = 1;
- } else if (!strcasecmp(v->name, "mode")) {
+ conn->tls = 1;
+ } else if (!strcasecmp(v->name, "mode")) {
if (!strcasecmp(v->value, "farend"))
- conn->mode = FAREND;
+ conn->mode = FAREND;
else
- conn->mode = NEAREND;
- }
- v= v->next;
- }
-
- prev = NULL;
- curr = connl;
- while (curr) {
- if (curr->ipaddress.s_addr == conn->ipaddress.s_addr) {
+ conn->mode = NEAREND;
+ }
+ v= v->next;
+ }
+
+ prev = NULL;
+ curr = connl;
+ while (curr) {
+ if (curr->ipaddress.s_addr == conn->ipaddress.s_addr) {
dupl = 1;
break;
- }
- prev = curr;
- curr = curr->next;
- }
- if (!dupl) {
- if (!prev)
+ }
+ prev = curr;
+ curr = curr->next;
+ }
+ if (!dupl) {
+ if (!prev)
connl = conn;
- else
+ else
prev->next = conn;
- } else {
- ast_log(LOG_NOTICE, "Ignoring device '%s' as %s is already defined before.", cat, ast_inet_ntoa(iabuf, sizeof(iabuf), conn->ipaddress));
- }
- } else {
- ast_log(LOG_WARNING, "Unknown type '%s' for '%s' in %s\n", utype, cat, config);
- }
+ } else {
+ ast_log(LOG_NOTICE, "Ignoring device '%s' as %s is already defined before.", cat, ast_inet_ntoa(conn->ipaddress));
+ }
+ } else {
+ ast_log(LOG_WARNING, "Unknown type '%s' for '%s' in %s\n", utype, cat, config);
+ }
} else
- ast_log(LOG_WARNING, "Section '%s' lacks type\n", cat);
- }
- cat = ast_category_browse(cfg, cat);
+ ast_log(LOG_WARNING, "Section '%s' lacks type\n", cat);
+ }
+ cat = ast_category_browse(cfg, cat);
}
ast_config_destroy(cfg);
} else {
@@ -640,21 +638,18 @@
static int midcom_handle_request_invite_hook(void *p)
{
struct sockaddr_in caller;
- char iabuf[INET_ADDRSTRLEN];
struct midcom_rule *r = NULL;
if (!midcom_enabled) {
if (option_debug > 1)
- ast_log(LOG_DEBUG, "Midcom: Module not enabled\n");
- if (option_verbose > 1)
- ast_verbose("Midcom: Module currently disabled\n");
+ midcom_warning();
return 1;
}
if (!channel_cb) {
ast_log(LOG_ERROR, "Midcom: Module not initialized properly\n");
if (option_verbose > 1)
- ast_verbose("Midcom: Error!! - Module not initialized\n");
+ ast_verbose("Midcom: Error!! - Module not initialized\n");
return 0;
}
@@ -666,74 +661,71 @@
if (channel_cb->ast_cmp_sa_addr(p, &caller)) { /* not forwarded from another softswitch */
- r = midcom_rule_alloc(p);
- if (r == NULL)
+ r = midcom_rule_alloc(p);
+ if (r == NULL)
return 0;
- /* channel_cb->ast_get_recv_addr(p, &r->midbox_addr); */
- if ( get_lb_midbox_ip(&r->midbox_addr) == -1)
+ /* channel_cb->ast_get_recv_addr(p, &r->midbox_addr); */
+ if ( get_lb_midbox_ip(&r->midbox_addr) == -1)
return 0;
-
- if (!r->nat_done) {
+
+ if (!r->nat_done) {
if ((r->midbox_addr.s_addr) && (r->con = midcom_connect(r->midbox_addr, &r->lifetime, &r->is_cached)) != -1) {
- if (midcom_reserve_nat(r->con, &r->ruleid, &r->our_natted_addr, /*r->enable_rtcp*/ 1, &r->lifetime) != 0) {
- free(r);
- return 0;
- }
-
- if (!r->novideo) {
- if (midcom_reserve_nat(r->con, &r->vruleid, &r->our_natted_vaddr, /*r->enable_rtcp*/ 1, &r->lifetime) != 0) {
- free(r);
- return 0;
- }
- }
-
+ if (midcom_reserve_nat(r->con, &r->ruleid, &r->our_natted_addr, /*r->enable_rtcp*/ 1, &r->lifetime) != 0) {
+ free(r);
+ return 0;
+ }
+
+ if (!r->novideo) {
+ if (midcom_reserve_nat(r->con, &r->vruleid, &r->our_natted_vaddr, /*r->enable_rtcp*/ 1, &r->lifetime) != 0) {
+ free(r);
+ return 0;
+ }
+ }
+
} else {
- ast_log(LOG_NOTICE, "Failed to connect to %s\n", ast_inet_ntoa(iabuf, sizeof(iabuf), r->midbox_addr));
- free(r);
- return 0;
- }
- }
-
- r->nat_done = 1;
-
- ast_mutex_lock(&usecnt_lock);
- usecnt++;
- ast_mutex_unlock(&usecnt_lock);
- ast_update_use_count();
-
- channel_cb->ast_map_hook_struct(p, (void *)r);
- r->p = p;
- r->next = midcom_rule_head;
- midcom_rule_head = r;
+ ast_log(LOG_NOTICE, "Failed to connect to %s\n", ast_inet_ntoa(r->midbox_addr));
+ free(r);
+ return 0;
+ }
+ }
+
+ r->nat_done = 1;
+
+ ast_mutex_lock(&usecnt_lock);
+ usecnt++;
+ ast_mutex_unlock(&usecnt_lock);
+ ast_update_use_count();
+
+ channel_cb->ast_map_hook_struct(p, (void *)r);
+ r->p = p;
+ r->next = midcom_rule_head;
+ midcom_rule_head = r;
} else {
- /* The caller might be forwarded from another softswitch */;
+ /* The caller might be forwarded from another softswitch */;
}
}
else
{
- /* farend */
- r = NULL;
+ /* farend */
+ r = NULL;
}
return 1;
}
static int midcom_handle_response_invite_hook(void *p)
{
- char iabuf[INET_ADDRSTRLEN];
struct midcom_rule *r = NULL;
if (!midcom_enabled) {
- ast_log(LOG_ERROR, "Midcom: Module not enabled\n");
- if (option_verbose > 1)
- ast_verbose("Midcom: Module currently disabled\n");
+ midcom_warning();
return 1;
}
if (!channel_cb) {
ast_log(LOG_ERROR, "Midcom: Module not initialized properly\n");
if (option_verbose > 1)
- ast_verbose("Midcom: Error!! - Module not initialized\n");
+ ast_verbose("Midcom: Error!! - Module not initialized\n");
return 0;
}
@@ -758,65 +750,65 @@
if (is_nearend_nat())
{
- if ((r->midbox_addr.s_addr) && (r->con = midcom_connect(r->midbox_addr, &r->lifetime, &r->is_cached)) != -1) {
+ if ((r->midbox_addr.s_addr) && (r->con = midcom_connect(r->midbox_addr, &r->lifetime, &r->is_cached)) != -1) {
if (midcom_reserve_nat(r->con, &r->ruleid, &r->our_natted_addr, /*r->enable_rtcp*/ 1, &r->lifetime) != 0) {
- ast_log(LOG_NOTICE, "Failed to NAT user %s for audio\n", r->username);
- free(r);
- return 0;
+ ast_log(LOG_NOTICE, "Failed to NAT user %s for audio\n", r->username);
+ free(r);
+ return 0;
}
if (!r->novideo) {
- if (midcom_reserve_nat(r->con, &r->vruleid, &r->our_natted_vaddr, /*r->enable_rtcp*/ 1, &r->lifetime) != 0) {
- ast_log(LOG_NOTICE, "Failed to NAT user %s for video\n", r->username);
- free(r);
- return 0;
- }
+ if (midcom_reserve_nat(r->con, &r->vruleid, &r->our_natted_vaddr, /*r->enable_rtcp*/ 1, &r->lifetime) != 0) {
+ ast_log(LOG_NOTICE, "Failed to NAT user %s for video\n", r->username);
+ free(r);
+ return 0;
+ }
}
r->nat_done = 1;
-
- } else {
- ast_log(LOG_NOTICE, "Failed to connect to %s\n", ast_inet_ntoa(iabuf, sizeof(iabuf), r->midbox_addr));
+
+ } else {
+ ast_log(LOG_NOTICE, "Failed to connect to %s\n", ast_inet_ntoa(r->midbox_addr));
free(r);
return 0;
- }
-
+ }
+
}
else
{
- /* farend */
- struct sockaddr_in sin;
- struct sockaddr_in vsin;
- int codec = 0;
-
- if ((r->midbox_addr.s_addr) && (r->con = midcom_connect(r->midbox_addr, &r->lifetime, &r->is_cached)) != -1) {
+ /* farend */
+ struct sockaddr_in sin;
+ struct sockaddr_in vsin;
+ int codec = 0;
+
+ if ((r->midbox_addr.s_addr) && (r->con = midcom_connect(r->midbox_addr, &r->lifetime, &r->is_cached)) != -1) {
channel_cb->ast_rtp_get_us_audio_helper(p, &sin);
if (!r->novideo)
- channel_cb->ast_rtp_get_us_video_helper(p, &vsin);
+ channel_cb->ast_rtp_get_us_video_helper(p, &vsin);
codec = channel_cb->ast_get_capability_helper(p);
if (midcom_open_firewall(r->con, &r->ruleid, &r->our_internal_addr, &sin, &r->lifetime, (codec & 0x0000FFFF)) != 0) {
- free(r);
- r = NULL;
- return 0;
+ free(r);
+ r = NULL;
+ return 0;
}
if (!r->novideo) {
- if (midcom_open_firewall(r->con, &r->vruleid, &r->our_internal_vaddr, &vsin, &r->lifetime, (codec & 0xFFFF0000)) != 0) {
- free(r);
- r = NULL;
- return 0;
- }
+ if (midcom_open_firewall(r->con, &r->vruleid, &r->our_internal_vaddr, &vsin, &r->lifetime, (codec & 0xFFFF0000)) != 0) {
+ free(r);
+ r = NULL;
+ return 0;
+ }
}
r->firewall_done = 1;
midcom_disconnect(r->con, r->is_cached);
timer_setup_tick(r, sizeof(struct midcom_rule), r->lifetime, &r->timer_handle);
- } else {
- ast_log(LOG_NOTICE, "Failed to connect to %s\n", ast_inet_ntoa(iabuf, sizeof(iabuf), r->midbox_addr));
- free(r);
- return 0;
- }
+ } else {
+ ast_log(LOG_NOTICE, "Failed to connect to %s\n", ast_inet_ntoa(r->midbox_addr));
+ free(r);
+ return 0;
+ }
}
@@ -835,23 +827,20 @@
static int midcom_transmit_response_with_sdp_hook(void *p)
{
- char iabuf[INET_ADDRSTRLEN];
struct midcom_rule *r = NULL;
struct sockaddr_in sin;
struct sockaddr_in vsin;
int codec = 0;
if (!midcom_enabled) {
- ast_log(LOG_ERROR, "Midcom: Module not enabled\n");
- if (option_verbose > 1)
- ast_verbose("Midcom: Module currently disabled\n");
+ midcom_warning();
return 1;
}
if (!channel_cb) {
ast_log(LOG_ERROR, "Midcom: Module not initialized properly\n");
if (option_verbose > 1)
- ast_verbose("Midcom: Error!! - Module not initialized\n");
+ ast_verbose("Midcom: Error!! - Module not initialized\n");
return 0;
}
@@ -860,68 +849,67 @@
if (is_farend_nat())
{
- r = midcom_rule_alloc(p);
- if (r == NULL)
+ r = midcom_rule_alloc(p);
+ if (r == NULL)
return 0;
-
- if (!r->username[0])
- strncpy(r->username, channel_cb->ast_get_username(p), 256);
-
- if (option_verbose > 1)
- ast_verbose("Midcom: Allocating new rule for phone: %s\n", r->username);
- /* channel_cb->ast_get_recv_addr(p, &r->midbox_addr); */
- if ( get_lb_midbox_ip(&r->midbox_addr) == -1)
- return 0;
+
+ if (!r->username[0])
+ strncpy(r->username, channel_cb->ast_get_username(p), 256);
+
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Allocating new rule for phone: %s\n", r->username);
+ /* channel_cb->ast_get_recv_addr(p, &r->midbox_addr); */
+ if ( get_lb_midbox_ip(&r->midbox_addr) == -1)
+ return 0;
- if ((r->midbox_addr.s_addr) && (r->con = midcom_connect(r->midbox_addr, &r->lifetime, &r->is_cached)) != -1) {
-
- channel_cb->ast_rtp_get_us_audio_helper(p, &sin);
- if (!r->novideo)
+ if ((r->midbox_addr.s_addr) && (r->con = midcom_connect(r->midbox_addr, &r->lifetime, &r->is_cached)) != -1) {
+
+ channel_cb->ast_rtp_get_us_audio_helper(p, &sin);
+ if (!r->novideo)
channel_cb->ast_rtp_get_us_video_helper(p, &vsin);
-
- codec = channel_cb->ast_get_capability_helper(p);
- if (midcom_open_firewall(r->con, &r->ruleid, &r->our_internal_addr, &sin, &r->lifetime, (codec & 0x0000FFFF)) != 0) {
- if (option_verbose > 1)
- ast_verbose("Midcom: Failed to open dynamic pinhole for Audio stream from phone: %s\n", r->username);
+
+ codec = channel_cb->ast_get_capability_helper(p);
+ if (midcom_open_firewall(r->con, &r->ruleid, &r->our_internal_addr, &sin, &r->lifetime, (codec & 0x0000FFFF)) != 0) {
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Failed to open dynamic pinhole for Audio stream from phone: %s\n", r->username);
free(r);
r = NULL;
return 0;
- }
- if (!r->novideo) {
+ }
+ if (!r->novideo) {
if (midcom_open_firewall(r->con, &r->vruleid, &r->our_internal_vaddr, &vsin, &r->lifetime, (codec & 0xFFFF0000)) != 0) {
- if (option_verbose > 1)
- ast_verbose("Midcom: Failed to open dynamic pinhole for Video stream from phone: %s\n", r->username);
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Failed to open dynamic pinhole for Video stream from phone: %s\n", r->username);
free(r);
r = NULL;
return 0;
}
- }
- } else {
- ast_log(LOG_NOTICE, "Failed to connect to %s\n", ast_inet_ntoa(iabuf, sizeof(iabuf), r->midbox_addr));
- free(r);
- return 0;
- }
-
- r->firewall_done = 1;
- midcom_disconnect(r->con, r->is_cached);
- timer_setup_tick(r, sizeof(struct midcom_rule), r->lifetime, &r->timer_handle);
-
- ast_mutex_lock(&usecnt_lock);
- usecnt++;
- ast_mutex_unlock(&usecnt_lock);
- ast_update_use_count();
-
- channel_cb->ast_map_hook_struct(p, (void *)r);
- r->p = p;
- r->next = midcom_rule_head;
- midcom_rule_head = r;
+ }
+ } else {
+ ast_log(LOG_NOTICE, "Failed to connect to %s\n", ast_inet_ntoa(r->midbox_addr));
+ free(r);
+ return 0;
+ }
+
+ r->firewall_done = 1;
+ midcom_disconnect(r->con, r->is_cached);
+ timer_setup_tick(r, sizeof(struct midcom_rule), r->lifetime, &r->timer_handle);
+
+ ast_mutex_lock(&usecnt_lock);
+ usecnt++;
+ ast_mutex_unlock(&usecnt_lock);
+ ast_update_use_count();
+
+ channel_cb->ast_map_hook_struct(p, (void *)r);
+ r->p = p;
+ r->next = midcom_rule_head;
+ midcom_rule_head = r;
}
return 1;
}
static int midcom_transmit_reinvite_with_sdp_hook(void *p)
{
- char iabuf[INET_ADDRSTRLEN], iabuf1[INET_ADDRSTRLEN];
struct ast_channel *bridgepeer = NULL;
struct midcom_rule *r = NULL;
int res = -1;
@@ -931,16 +919,14 @@
char *username = NULL;
if (!midcom_enabled) {
- ast_log(LOG_ERROR, "Midcom: Module not enabled\n");
- if (option_verbose > 1)
- ast_verbose("Midcom: Module currently disabled\n");
+ midcom_warning();
return 1;
}
if (!channel_cb) {
ast_log(LOG_ERROR, "Midcom: Module not initialized properly\n");
if (option_verbose > 1)
- ast_verbose("Midcom: Error!! - Module not initialized\n");
+ ast_verbose("Midcom: Error!! - Module not initialized\n");
return 0;
}
@@ -949,7 +935,7 @@
username = channel_cb->ast_get_username(p);
ast_log(LOG_ERROR, "Midcom: Unable to retrieve Midcom Rule for phone: %s\n", username);
if (option_verbose > 1)
- ast_verbose("Midcom: Error!! - Unable to retrieve Midcom Rule for phone: %s\n", username);
+ ast_verbose("Midcom: Error!! - Unable to retrieve Midcom Rule for phone: %s\n", username);
return 0;
}
@@ -957,77 +943,77 @@
if (is_farend)
{
- if (!r->nat_done)
+ if (!r->nat_done)
{
- int first_phone = 0;
-
- if ((r->midbox_addr.s_addr) && (r->con = midcom_connect(r->midbox_addr, &r->lifetime, &r->is_cached)) != -1) {
-
- timer_cancel_tick(r, sizeof(struct midcom_rule));
-
- midcom_delete_rule(r->con, r->ruleid);
- if (!r->novideo)
- midcom_delete_rule(r->con, r->vruleid);
- r->firewall_done = 0;
-
- r->channel = channel_cb->ast_channel_helper(p);
- bridgepeer = channel_cb->ast_bridged_channel_helper(p);
- first_phone = get_midbox_ip(bridgepeer, &r->midbox_addr, &r->remote_addr, &r->remote_vaddr);
- if (first_phone == -1) {
- return 0;
- }
-
- peer = get_peer_rule(r);
- if (peer == NULL)
+ int first_phone = 0;
+
+ if ((r->midbox_addr.s_addr) && (r->con = midcom_connect(r->midbox_addr, &r->lifetime, &r->is_cached)) != -1) {
+
+ timer_cancel_tick(r, sizeof(struct midcom_rule));
+
+ midcom_delete_rule(r->con, r->ruleid);
+ if (!r->novideo)
+ midcom_delete_rule(r->con, r->vruleid);
+ r->firewall_done = 0;
+
+ r->channel = channel_cb->ast_channel_helper(p);
+ bridgepeer = channel_cb->ast_bridged_channel_helper(p);
+ first_phone = get_midbox_ip(bridgepeer, &r->midbox_addr, &r->remote_addr, &r->remote_vaddr);
+ if (first_phone == -1) {
+ return 0;
+ }
+
+ peer = get_peer_rule(r);
+ if (peer == NULL)
return 0;
- if (midcom_reserve_nat(r->con, &r->ruleid, &r->our_natted_addr, /*r->enable_rtcp*/ 1, &r->lifetime) != 0) {
- ast_log(LOG_NOTICE, "Failed to NAT user %s for audio\n", r->username);
- if (option_verbose > 1)
- ast_verbose("Midcom: Failed to acquire NAT IP for user %s for audio\n", r->username);
- return 0;
- }
-
- if ((!r->novideo) && (!peer->novideo)) {
- if (midcom_reserve_nat(r->con, &r->vruleid, &r->our_natted_vaddr, /*r->enable_rtcp*/ 1, &r->lifetime) != 0) {
+ if (midcom_reserve_nat(r->con, &r->ruleid, &r->our_natted_addr, /*r->enable_rtcp*/ 1, &r->lifetime) != 0) {
+ ast_log(LOG_NOTICE, "Failed to NAT user %s for audio\n", r->username);
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Failed to acquire NAT IP for user %s for audio\n", r->username);
+ return 0;
+ }
+
+ if ((!r->novideo) && (!peer->novideo)) {
+ if (midcom_reserve_nat(r->con, &r->vruleid, &r->our_natted_vaddr, /*r->enable_rtcp*/ 1, &r->lifetime) != 0) {
ast_log(LOG_NOTICE, "Failed to NAT user %s for video\n", r->username);
- if (option_verbose > 1)
- ast_verbose("Midcom: Failed to acquire NAT IP for user %s for video\n", r->username);
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Failed to acquire NAT IP for user %s for video\n", r->username);
return 0;
- }
- }
- else
- /* if the peer does not support video, no need for video on our side too */
- r->novideo = 1;
- } else {
- ast_log(LOG_NOTICE, "Failed to connect to %s\n", ast_inet_ntoa(iabuf, sizeof(iabuf), r->midbox_addr));
- return 0;
- }
-
- r->nat_done = 1;
-
- if (option_verbose > 1)
- ast_verbose("Midcom: Acquired NAT IP: %s port: %d for phone %s audio stream with Originating IP: %s port: %d\n", ast_inet_ntoa(iabuf1, sizeof(iabuf1), r->our_natted_addr.sin_addr), ntohs(r->our_natted_addr.sin_port), r->username, ast_inet_ntoa(iabuf, sizeof(iabuf), r->our_internal_addr.sin_addr), ntohs(r->our_internal_addr.sin_port));
-
- if (!r->novideo) {
- if (option_verbose > 1)
- ast_verbose("Midcom: Acquired NAT IP: %s port: %d for phone %s video stream with Originating IP: %s port: %d\n", ast_inet_ntoa(iabuf1, sizeof(iabuf1), r->our_natted_vaddr.sin_addr), ntohs(r->our_natted_vaddr.sin_port), r->username, ast_inet_ntoa(iabuf, sizeof(iabuf), r->our_internal_vaddr.sin_addr), ntohs(r->our_internal_vaddr.sin_port));
- }
- if (first_phone)
- {
- /*
- bridgepeer->midbox = r->midbox_addr;
- bridgepeer->peer_internal_addr = r->our_natted_addr;
- bridgepeer->peer_internal_vaddr = r->our_natted_vaddr;
- */
- r->firewall_done = 1; /* no bridging for the first phone */
- midcom_disconnect(r->con, r->is_cached);
- timer_setup_tick(r, sizeof(struct midcom_rule), r->lifetime, &r->timer_handle);
- }
+ }
+ }
+ else
+ /* if the peer does not support video, no need for video on our side too */
+ r->novideo = 1;
+ } else {
+ ast_log(LOG_NOTICE, "Failed to connect to %s\n", ast_inet_ntoa(r->midbox_addr));
+ return 0;
+ }
+
+ r->nat_done = 1;
+
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Acquired NAT IP: %s port: %d for phone %s audio stream with Originating IP: %s port: %d\n", ast_inet_ntoa( r->our_natted_addr.sin_addr), ntohs(r->our_natted_addr.sin_port), r->username, ast_inet_ntoa(r->our_internal_addr.sin_addr), ntohs(r->our_internal_addr.sin_port));
+
+ if (!r->novideo) {
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Acquired NAT IP: %s port: %d for phone %s video stream with Originating IP: %s port: %d\n", ast_inet_ntoa(r->our_natted_vaddr.sin_addr), ntohs(r->our_natted_vaddr.sin_port), r->username, ast_inet_ntoa(r->our_internal_vaddr.sin_addr), ntohs(r->our_internal_vaddr.sin_port));
+ }
+ if (first_phone)
+ {
+ /*
+ bridgepeer->midbox = r->midbox_addr;
+ bridgepeer->peer_internal_addr = r->our_natted_addr;
+ bridgepeer->peer_internal_vaddr = r->our_natted_vaddr;
+ */
+ r->firewall_done = 1; /* no bridging for the first phone */
+ midcom_disconnect(r->con, r->is_cached);
+ timer_setup_tick(r, sizeof(struct midcom_rule), r->lifetime, &r->timer_handle);
+ }
} /* (!r->nat_done) */
- r->redirip_nat = r->our_natted_addr;
- r->vredirip_nat = r->our_natted_vaddr;
+ r->redirip_nat = r->our_natted_addr;
+ r->vredirip_nat = r->our_natted_vaddr;
}
@@ -1036,59 +1022,58 @@
if (!r->firewall_done)
{
- r->firewall_done = 1;
-
- if ((r->midbox_addr.s_addr) && (r->con != -1))
+ r->firewall_done = 1;
+
+ if ((r->midbox_addr.s_addr) && (r->con != -1))
{
- codec = channel_cb->ast_get_capability_helper(p);
- if (is_farend)
- res = midcom_bridge_firewall(r->con, r->ruleid, &r->our_natted_addr, &r->remote_addr, &r->lifetime, (codec & 0x0000FFFF));
- else
- res = midcom_add_firewall(r->con, r->ruleid, &r->redirip_nat, &r->our_internal_addr, &r->lifetime, (codec & 0x0000FFFF));
-
- if (res != 0)
- {
- /* free r */
- if (peer && is_farend) {
- if (option_verbose > 1)
- ast_verbose("Midcom: Failed to Bridge Audio streams of phone %s with IP: %s port %d and Phone %s with IP; %s port %d\n", r->username, ast_inet_ntoa(iabuf1, sizeof(iabuf1), r->our_natted_addr.sin_addr), ntohs(r->our_natted_addr.sin_port), peer->username, ast_inet_ntoa(iabuf, sizeof(iabuf), peer->our_natted_addr.sin_addr), ntohs(peer->our_natted_addr.sin_port));
- }
- return 0;
- }
-
- if (peer && is_farend) {
- if (option_verbose > 1)
- ast_verbose("Midcom: Bridging Audio streams of phone %s with IP: %s port %d and Phone %s with IP; %s port %d\n", r->username, ast_inet_ntoa(iabuf1, sizeof(iabuf1), r->our_natted_addr.sin_addr), ntohs(r->our_natted_addr.sin_port), peer->username, ast_inet_ntoa(iabuf, sizeof(iabuf), peer->our_natted_addr.sin_addr), ntohs(peer->our_natted_addr.sin_port));
- }
-
- if (!r->novideo)
- {
- if (is_farend)
+ codec = channel_cb->ast_get_capability_helper(p);
+ if (is_farend)
+ res = midcom_bridge_firewall(r->con, r->ruleid, &r->our_natted_addr, &r->remote_addr, &r->lifetime, (codec & 0x0000FFFF));
+ else
+ res = midcom_add_firewall(r->con, r->ruleid, &r->redirip_nat, &r->our_internal_addr, &r->lifetime, (codec & 0x0000FFFF));
+
+ if (res != 0) {
+ /* free r */
+ if (peer && is_farend) {
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Failed to Bridge Audio streams of phone %s with IP: %s port %d and Phone %s with IP; %s port %d\n", r->username, ast_inet_ntoa(r->our_natted_addr.sin_addr), ntohs(r->our_natted_addr.sin_port), peer->username, ast_inet_ntoa(peer->our_natted_addr.sin_addr), ntohs(peer->our_natted_addr.sin_port));
+ }
+ return 0;
+ }
+
+ if (peer && is_farend) {
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Bridging Audio streams of phone %s with IP: %s port %d and Phone %s with IP; %s port %d\n", r->username, ast_inet_ntoa(r->our_natted_addr.sin_addr), ntohs(r->our_natted_addr.sin_port), peer->username, ast_inet_ntoa(peer->our_natted_addr.sin_addr), ntohs(peer->our_natted_addr.sin_port));
+ }
+
+ if (!r->novideo)
+ {
+ if (is_farend)
res = midcom_bridge_firewall(r->con, r->vruleid, &r->our_natted_vaddr, &r->remote_vaddr, &r->lifetime, (codec & 0xFFFF0000));
- else
+ else
res = midcom_add_firewall(r->con, r->vruleid, &r->vredirip_nat, &r->our_internal_vaddr, &r->lifetime, (codec & 0xFFFF0000));
- if (res != 0)
+ if (res != 0)
{
- /* free r */
- if (peer && is_farend) {
- if (option_verbose > 1)
- ast_verbose("Midcom: Failed to Bridge Video streams of phone %s with IP: %s port %d and Phone %s with IP; %s port %d\n", r->username, ast_inet_ntoa(iabuf1, sizeof(iabuf1), r->our_natted_vaddr.sin_addr), ntohs(r->our_natted_vaddr.sin_port), peer->username, ast_inet_ntoa(iabuf, sizeof(iabuf), peer->our_natted_vaddr.sin_addr), ntohs(peer->our_natted_vaddr.sin_port));
- }
- return 0;
- }
- }
- if (!r->novideo && peer && is_farend) {
- if (option_verbose > 1)
- ast_verbose("Midcom: Bridging Video streams of phone %s with IP: %s port %d and Phone %s with IP; %s port %d\n", r->username, ast_inet_ntoa(iabuf1, sizeof(iabuf1), r->our_natted_vaddr.sin_addr), ntohs(r->our_natted_vaddr.sin_port), peer->username, ast_inet_ntoa(iabuf, sizeof(iabuf), peer->our_natted_vaddr.sin_addr), ntohs(peer->our_natted_vaddr.sin_port));
- }
- midcom_disconnect(r->con, r->is_cached);
- timer_setup_tick(r, sizeof(struct midcom_rule), r->lifetime, &r->timer_handle);
- }
- else
+ /* free r */
+ if (peer && is_farend) {
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Failed to Bridge Video streams of phone %s with IP: %s port %d and Phone %s with IP; %s port %d\n", r->username, ast_inet_ntoa(r->our_natted_vaddr.sin_addr), ntohs(r->our_natted_vaddr.sin_port), peer->username, ast_inet_ntoa(peer->our_natted_vaddr.sin_addr), ntohs(peer->our_natted_vaddr.sin_port));
+ }
+ return 0;
+ }
+ }
+ if (!r->novideo && peer && is_farend) {
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Bridging Video streams of phone %s with IP: %s port %d and Phone %s with IP; %s port %d\n", r->username, ast_inet_ntoa(r->our_natted_vaddr.sin_addr), ntohs(r->our_natted_vaddr.sin_port), peer->username, ast_inet_ntoa(peer->our_natted_vaddr.sin_addr), ntohs(peer->our_natted_vaddr.sin_port));
+ }
+ midcom_disconnect(r->con, r->is_cached);
+ timer_setup_tick(r, sizeof(struct midcom_rule), r->lifetime, &r->timer_handle);
+ }
+ else
{
- /* free r */
- return 0;
+ /* free r */
+ return 0;
}
}
return 1;
@@ -1100,16 +1085,14 @@
char *username=NULL;
if (!midcom_enabled) {
- ast_log(LOG_ERROR, "Midcom: Module not enabled\n");
- if (option_verbose > 1)
- ast_verbose("Midcom: Module currently disabled\n");
+ midcom_warning();
return 1;
}
if (!channel_cb) {
ast_log(LOG_ERROR, "Midcom: Module not initialized properly\n");
if (option_verbose > 1)
- ast_verbose("Midcom: Error!! - Module not initialized\n");
+ ast_verbose("Midcom: Error!! - Module not initialized\n");
return 0;
}
@@ -1117,9 +1100,9 @@
username = channel_cb->ast_get_username(p);
if (username && username[0]) {
- ast_log(LOG_ERROR, "Midcom: Unable to retrieve Midcom Rule for phone: %s\n", username);
- if (option_verbose > 1)
- ast_verbose("Midcom: Error!! - Unable to retrieve Midcom Rule for phone: %s\n", username);
+ ast_log(LOG_ERROR, "Midcom: Unable to retrieve Midcom Rule for phone: %s\n", username);
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Error!! - Unable to retrieve Midcom Rule for phone: %s\n", username);
}
return 1;
}
@@ -1140,19 +1123,19 @@
if ((!r->invalid) && (r->nat_done) && (!r->bye_done)) {
if (r->firewall_done) {
- timer_cancel_tick(r, sizeof(struct midcom_rule));
- r->con = midcom_connect(r->midbox_addr, &r->lifetime, &r->is_cached);
+ timer_cancel_tick(r, sizeof(struct midcom_rule));
+ r->con = midcom_connect(r->midbox_addr, &r->lifetime, &r->is_cached);
}
if (r->con != -1) {
- if (option_verbose > 1)
- ast_verbose("Midcom: Unbridging Audio media and destroying midcom rule for phone: %s\n", r->username);
- midcom_delete_rule(r->con, r->ruleid);
- if (!r->novideo) {
- if (option_verbose > 1)
- ast_verbose("Midcom: Unbridging Video media and destroying midcom rule for phone: %s\n", r->username);
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Unbridging Audio media and destroying midcom rule for phone: %s\n", r->username);
+ midcom_delete_rule(r->con, r->ruleid);
+ if (!r->novideo) {
+ if (option_verbose > 1)
+ ast_verbose("Midcom: Unbridging Video media and destroying midcom rule for phone: %s\n", r->username);
midcom_delete_rule(r->con, r->vruleid);
- }
- midcom_disconnect(r->con, r->is_cached);
+ }
+ midcom_disconnect(r->con, r->is_cached);
}
r->bye_done = 1;
}
@@ -1182,14 +1165,14 @@
ast_rtp_nat_us(rtp, &((struct midcom_rule*)r)->our_natted_vaddr);
}
-static void midcom_get_redirip_audio_hook(void *r, struct sockaddr_in *redirip)
+static void midcom_get_redirip_audio_hook(void *r, struct sockaddr_in *redirip)
{
if (!midcom_enabled)
return;
memcpy(redirip, &((struct midcom_rule*)r)->redirip_nat, sizeof(struct sockaddr_in));
}
-static void midcom_get_vredirip_video_hook(void *r, struct sockaddr_in *vredirip)
+static void midcom_get_vredirip_video_hook(void *r, struct sockaddr_in *vredirip)
{
if (!midcom_enabled)
return;
@@ -1215,20 +1198,19 @@
static void midcom_connect_all()
{
struct connection *conn;
- char iabuf[INET_ADDRSTRLEN];
conn = connl;
while (conn) {
- ast_inet_ntoa(iabuf, sizeof(iabuf), conn->ipaddress);
- if ((conn->sock = mc_comm_connect(iabuf)) == -1)
- ast_log(LOG_WARNING, "Could not connect to middlebox %s\n", iabuf);
+ if ((conn->sock = mc_comm_connect(ast_inet_ntoa(conn->ipaddress)) == -1)
+ ast_log(LOG_WARNING, "MIDCOM Could not connect to middlebox %s\n", ast_inet_ntoa(conn->ipaddress));
else
- ast_log(LOG_NOTICE, "Connected to middlebox %s\n", iabuf);
+ if (option_verbose > 1)
+ ast_verbose("MIDCOM Connected to middlebox %s\n", iabuf);
/*
if ((conn->pingsock = mc_comm_connect(iabuf)) == -1)
- timer_setup_tick(conn, sizeof(struct connection), DEFAULT_FREQ_NOTOK, &conn->timer_handle);
- else
- timer_setup_tick(conn, sizeof(struct connection), DEFAULT_FREQ_OK, &conn->timer_handle);
+ timer_setup_tick(conn, sizeof(struct connection), DEFAULT_FREQ_NOTOK, &conn->timer_handle);
+ else
+ timer_setup_tick(conn, sizeof(struct connection), DEFAULT_FREQ_OK, &conn->timer_handle);
*/
conn = conn->next;
}
@@ -1239,7 +1221,6 @@
static int midcom_connect(struct in_addr midbox, int *lifetime, int *cached)
{
int con = -1;
- char iabuf[INET_ADDRSTRLEN];
char *login = "root";
char *password = "ranchroot";
int res = -1;
@@ -1249,67 +1230,60 @@
curr = connl;
while (curr) {
if (midbox.s_addr == curr->ipaddress.s_addr)
- break;
- curr = curr->next;
+ break;
+ curr = curr->next;
}
if (curr && (curr->sock >= 0)) {
if ((ret = simco_se_b(curr->sock)) == 0) {
- if ((ret = simco_sa_b(curr->sock, curr->username, curr->password)) == 0) {
- *cached = 1;
- *lifetime = 600; /* to be removed */
- return curr->sock;
- }
- else
- ast_log(LOG_WARNING, "Connection closed while authenticating session error=0x%x\n", ret);
- }
- else
- ast_log(LOG_WARNING, "Connection closed while establishing session error=0x%x\n", ret);
- }
- else
- ast_log(LOG_WARNING, "Connection stale \n");
-
- ast_inet_ntoa(iabuf, sizeof(iabuf), midbox);
- ast_log(LOG_NOTICE, "Re-opening new connection to %s!!!\n", iabuf);
+ if ((ret = simco_sa_b(curr->sock, curr->username, curr->password)) == 0) {
+ *cached = 1;
+ *lifetime = 600; /* to be removed */
+ return curr->sock;
+Ã } else
+Ã ast_log(LOG_WARNING, "Connection closed while authenticating session error=0x%x\n", ret);
+ } else
+ ast_log(LOG_WARNING, "Connection closed while establishing session error=0x%x\n", ret);
+ } else
+ ast_log(LOG_WARNING, "Connection stale \n");
+
+ if (option_verbose > 1)
+ ast_verbose("Re-opening new connection to %s!!!\n", ast_inet_ntoa(midbox));
if (curr)
curr->sock = -1;
if ((con = mc_comm_connect(iabuf)) == -1) {
- ast_log(LOG_WARNING, "Midcom: Could not connect to middlebox %s\n", iabuf);
+ ast_log(LOG_ERROR, "Midcom: Could not connect to middlebox %s\n", ast_inet_ntoa(midbox));
*cached = 0;
return -1;
}
- if (simco_se_b(con) != 0)
- {
- ast_log(LOG_WARNING, "Midcom: Could not establish new session %s\n", iabuf);
- mc_comm_disconnect(con);
- *cached = 0;
- return -1;
- }
-
- if (curr) {
+ if (simco_se_b(con) != 0) {
+ ast_log(LOG_ERROR, "Midcom: Could not establish new session %s\n", ast_inet_ntoa(midbox));
+ mc_comm_disconnect(con);
+ *cached = 0;
+ return -1;
+ }
+
+ if (curr)
res = simco_sa_b(con, curr->username, curr->password);
- } else {
+ else
res = simco_sa_b(con, login, password);
- }
- if (res != 0)
- {
- ast_log(LOG_WARNING, "Midcom: Could not authenticate on %s \n", iabuf);
- simco_st_b(con);
- mc_comm_disconnect(con);
- *cached = 0;
- return -1;
- }
+ if (res != 0) {
+ ast_log(LOG_WARNING, "Midcom: Could not authenticate on %s \n", ast_inet_ntoa(midbox));
+ simco_st_b(con);
+ mc_comm_disconnect(con);
+ *cached = 0;
+ return -1;
+ }
if (curr) {
curr->sock = con;
*cached = 1;
- } else {
+ } else
*cached = 0;
- }
*lifetime = 600; /* to be removed */
return con;
@@ -1325,8 +1299,8 @@
spacket.lifetime = *lifetime;
if ((ret = simco_plc_b(con, &spacket)) != 0)
{
- ast_log(LOG_WARNING, "Midcom: Error - simco_plc_b: 0x%x\n", ret);
- return -1;
+ ast_log(LOG_WARNING, "Midcom: Error - simco_plc_b: 0x%x\n", ret);
+ return -1;
}
*lifetime = spacket.lifetime;
return 0;
@@ -1341,13 +1315,13 @@
spacket.lifetime = *lifetime;
/*if (enable_rtcp) */
spacket.nat_port_range = 2;
- if ((ret = simco_prr_b(con, &spacket)) != 0)
- {
- ast_log(LOG_WARNING, "Midcom: Error - simco_prr_b: 0x%x\n", ret);
- return -1;
- }
- ast_log(LOG_DEBUG, "Midcom: PRR: spacket.ruleId=%d, spacket.outside_ip=%s, spacket.outside_port=%d\n",
- spacket.ruleId, spacket.outside_ip, spacket.outside_port);
+ if ((ret = simco_prr_b(con, &spacket)) != 0) {
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