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Commit 1cda15ca authored by Martti Mela's avatar Martti Mela
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STUN TLS connect works now fluently 

darcs-hash:20051218225838-1b897-f57c575f11357071072c7cad088c0895f720a9a7.gz
parent 93ef9153
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Inline Side-by-side
Showing with 86 additions and 65 deletions
libsofia-sip-ua/stun/stun.c
View file @ 1cda15ca
......@@ -266,7 +266,7 @@ stun_handle_t *stun_handle_tcreate(stun_magic_t *context,
/* Enviroment overrides */
if (getenv("STUN_SERVER")) {
server = getenv("STUN_SERVER");
SU_DEBUG_5(("stun: using STUN_SERVER=%s\n", server));
SU_DEBUG_5(("%s: using STUN_SERVER=%s\n", __func__, server));
}
SU_DEBUG_5(("%s(\"%s\"): called\n",
......@@ -416,7 +416,7 @@ int stun_handle_bind(stun_handle_t *se,
memcpy(clnt_addr->li_addr, li->li_addr, sizeof(su_addrinfo_t));
inet_ntop(clnt_addr->li_family, SU_ADDR(clnt_addr->li_addr), ipaddr, sizeof(ipaddr));
SU_DEBUG_3(("stun: local address found to be %s:%u\n",
SU_DEBUG_3(("%s: local address found to be %s:%u\n", __func__,
ipaddr,
(unsigned) ntohs(clnt_addr->li_addr->su_port)));
found = 1;
......@@ -441,12 +441,12 @@ int stun_handle_bind(stun_handle_t *se,
inet_ntop(clnt_addr->li_family, SU_ADDR(clnt_addr->li_addr), ipaddr, sizeof(ipaddr));
if (bind(sockfd, (struct sockaddr *) &clnt_addr->li_addr, clnt_addr->li_addrlen) < 0) {
SU_DEBUG_3(("stun: Error binding to %s:%u\n", ipaddr,
SU_DEBUG_3(("%s: Error binding to %s:%u\n", __func__, ipaddr,
(unsigned) ntohs(clnt_addr->li_addr->su_port)));
return -1;
}
SU_DEBUG_3(("stun: %s: socket bound to %s:%u\n", __func__, ipaddr,
SU_DEBUG_3(("%s: socket bound to %s:%u\n", __func__, ipaddr,
(unsigned) ntohs(clnt_addr->li_addr->su_port)));
bind_len = clnt_addr->li_addrlen;
......@@ -456,7 +456,7 @@ int stun_handle_bind(stun_handle_t *se,
}
inet_ntop(clnt_addr->li_family, SU_ADDR(&bind_addr), ipaddr, sizeof(ipaddr));
SU_DEBUG_3(("stun: Local socket bound to: %s:%u\n", ipaddr,
SU_DEBUG_3(("%s: Local socket bound to: %s:%u\n", __func__, ipaddr,
(unsigned) ntohs(bind_addr.su_port)));
retval = stun_bind_test(se, &se->st_pri_info, se->st_pri_addr,
......@@ -677,7 +677,9 @@ int stun_tls_callback(su_root_magic_t *m, su_wait_t *w, stun_handle_t *self)
* (ssl_connecting) for it */
case stun_tls_ssl_connecting:
SU_DEBUG_3(("%s: VOI KAKKA\n", __func__));
events = SU_WAIT_ERR | SU_WAIT_IN;
su_root_eventmask(self->st_root, self->st_root_index,
self->st_socket, events);
z = SSL_connect(ssl);
err = SSL_get_error(ssl, z);
......@@ -692,18 +694,22 @@ int stun_tls_callback(su_root_magic_t *m, su_wait_t *w, stun_handle_t *self)
return -1;
}
SU_DEBUG_3(("%s: VOI KAKKA taas\n", __func__));
/* Inform application about the progress */
self->st_state = stun_tls_writing;
/* self->st_callback(self->st_context, self, self->st_state); */
events = SU_WAIT_ERR | SU_WAIT_OUT | SU_WAIT_IN;
events = SU_WAIT_ERR | SU_WAIT_OUT;
su_root_eventmask(self->st_root, self->st_root_index,
self->st_socket, events);
/* Inform application about the progress */
self->st_state = stun_tls_writing;
/* self->st_callback(self->st_context, self, self->st_state); */
break;
case stun_tls_writing:
events = SU_WAIT_ERR | SU_WAIT_IN;
su_root_eventmask(self->st_root, self->st_root_index,
self->st_socket, events);
SU_DEBUG_3(("TLS connection using %s\n", SSL_get_cipher(ssl)));
server_cert = SSL_get_peer_certificate(ssl);
......@@ -730,6 +736,10 @@ int stun_tls_callback(su_root_magic_t *m, su_wait_t *w, stun_handle_t *self)
break;
case stun_tls_reading:
events = SU_WAIT_ERR | SU_WAIT_OUT;
su_root_eventmask(self->st_root, self->st_root_index,
self->st_socket, events);
SU_DEBUG_5(("Shared Secret Request sent to server:\n"));
debug_print(&req->enc_buf);
......@@ -783,6 +793,7 @@ int stun_tls_callback(su_root_magic_t *m, su_wait_t *w, stun_handle_t *self)
stun_copy_buffer(&self->st_passwd, password->pattr);
}
break;
case SHARED_SECRET_ERROR_RESPONSE:
if (stun_process_error_response(resp) < 0) {
SU_DEBUG_5(("Error in Shared Secret Error Response.\n"));
......@@ -799,10 +810,11 @@ int stun_tls_callback(su_root_magic_t *m, su_wait_t *w, stun_handle_t *self)
su_wait_destroy(w);
su_root_deregister(self->st_root, self->st_root_index);
self->st_use_msgint = 1;
self->st_state = stun_tls_done;
self->st_callback(self->st_context, self, self->st_state);
self->st_use_msgint = 1;
break;
default:
return -1;
......@@ -1026,7 +1038,7 @@ int stun_bind_callback(su_root_magic_t *m, su_wait_t *w, stun_handle_t *self)
binding_response.enc_buf.size = len;
memcpy(binding_response.enc_buf.data, dgram, len);
SU_DEBUG_3(("stun: response from server %s:%u\n",
SU_DEBUG_3(("%s: response from server %s:%u\n", __func__,
inet_ntoa(recv_addr.sin_addr),
ntohs(recv_addr.sin_port)));
......@@ -1038,7 +1050,7 @@ int stun_bind_callback(su_root_magic_t *m, su_wait_t *w, stun_handle_t *self)
if (stun_parse_message(&binding_response) < 0) {
su_wait_destroy(w);
su_root_deregister(self->st_root, self->ss_root_index);
SU_DEBUG_5(("stun: Error parsing response.\n"));
SU_DEBUG_5(("%s: Error parsing response.\n", __func__));
stun_free_message(binding_request);
stun_free_message(&binding_response);
return retval;
......@@ -1078,7 +1090,7 @@ int stun_bind_callback(su_root_magic_t *m, su_wait_t *w, stun_handle_t *self)
case BINDING_ERROR_RESPONSE:
if (stun_process_error_response(&binding_response) < 0) {
SU_DEBUG_3(("stun: Error in Binding Error Response.\n"));
SU_DEBUG_3(("%s: Error in Binding Error Response.\n", __func__));
}
break;
......@@ -1139,7 +1151,7 @@ static void stun_sendto_timer_cb(su_root_magic_t *magic,
return;
}
SU_DEBUG_3(("stun: %s: Time out no. %d, retransmitting.\n", __func__, se->st_retry_count));
SU_DEBUG_3(("%s: Time out no. %d, retransmitting.\n", __func__, se->st_retry_count));
if (stun_send_message(s, &se->st_pri_addr->su_sin, se->st_binding_request, &(se->st_passwd)) < 0) {
stun_free_message(se->st_binding_request);
......@@ -1197,7 +1209,9 @@ int stun_bind_test(stun_handle_t *se,
s = se->ss_sockfd;
inet_ntop(srvr_info->ai_family, SU_ADDR(srvr_addr), ipaddr, sizeof(ipaddr));
SU_DEBUG_3(("stun: sending to %s:%u (req-flags: msgint=%d, ch-addr=%d, chh-port=%d)\n",
SU_DEBUG_3(("%s: sending to %s:%u (req-flags: msgint=%d, "
"ch-addr=%d, chh-port=%d)\n",
__func__,
ipaddr, ntohs(srvr_addr->su_port),
se->st_use_msgint, chg_ip, chg_port));
......@@ -1303,7 +1317,7 @@ int stun_process_response(stun_msg_t *msg)
/* parse msg first */
if (stun_parse_message(msg) < 0) {
SU_DEBUG_3(("stun: Error parsing response.\n"));
SU_DEBUG_3(("%s: Error parsing response.\n", __func__));
return -1;
}
......@@ -1348,8 +1362,8 @@ int stun_process_error_response(stun_msg_t *msg)
ec = (stun_attr_errorcode_t *)attr->pattr;
SU_DEBUG_5(("stun: Received Binding Error Response:\n"));
SU_DEBUG_5(("stun: Error: %d %s\n", ec->code, ec->phrase));
SU_DEBUG_5(("%s: Received Binding Error Response:\n", __func__));
SU_DEBUG_5(("%s: Error: %d %s\n", __func__, ec->code, ec->phrase));
return 0;
}
......@@ -1470,7 +1484,7 @@ int stun_handle_get_lifetime(stun_handle_t *se,
assert(se);
SU_DEBUG_3(("stun: determining binding life time, this may take a while.\n"));
SU_DEBUG_3(("%s: determining binding life time, this may take a while.\n", __func__));
/* get local ip address */
clnt_addr = (struct sockaddr_in *) my_addr;
......@@ -1481,7 +1495,7 @@ int stun_handle_get_lifetime(stun_handle_t *se,
for (i = 0, li = res; li; li = li->li_next) {
if (li->li_family == AF_INET) {
memcpy(clnt_addr, &li->li_addr->su_sin, sizeof(li->li_addr->su_sin));
SU_DEBUG_3(("stun: local address found to be %s:%u\n",
SU_DEBUG_3(("%s: local address found to be %s:%u\n", __func__,
inet_ntoa(clnt_addr->sin_addr),
(unsigned)ntohs(clnt_addr->sin_port)));
found = 1;
......@@ -1489,12 +1503,12 @@ int stun_handle_get_lifetime(stun_handle_t *se,
}
}
if (!found) {
SU_DEBUG_5(("stun: su_getlocalinfo: %s\n", su_gli_strerror(error)));
SU_DEBUG_5(("%s: su_getlocalinfo: %s\n", __func__, su_gli_strerror(error)));
return errno = EFAULT, -1;
}
}
else {
SU_DEBUG_5(("stun: su_getlocalinfo: %s\n", su_gli_strerror(error)));
SU_DEBUG_5(("%s: su_getlocalinfo: %s\n", __func__, su_gli_strerror(error)));
return errno = EFAULT, -1;
}
}
......@@ -1505,30 +1519,30 @@ int stun_handle_get_lifetime(stun_handle_t *se,
clnt_addr->sin_port = 0;
/* initialize socket x */
if (bind(sockfdx, (struct sockaddr *) clnt_addr, *addrlen) < 0) {
SU_DEBUG_3(("stun: Error binding to %s:%u\n", inet_ntoa(clnt_addr->sin_addr),
SU_DEBUG_3(("%s: Error binding to %s:%u\n", __func__, inet_ntoa(clnt_addr->sin_addr),
(unsigned)ntohs(clnt_addr->sin_port)));
return retval;
}
x_len = sizeof(x_addr);
getsockname(sockfdx, (struct sockaddr *) &x_addr, &x_len);
SU_DEBUG_3(("stun: Local socket x bound to: %s:%u\n", inet_ntoa(x_addr.sin_addr),
SU_DEBUG_3(("%s: Local socket x bound to: %s:%u\n", __func__, inet_ntoa(x_addr.sin_addr),
(unsigned)ntohs(x_addr.sin_port)));
/* initialize socket y */
sockfdy = socket(AF_INET, SOCK_DGRAM, 0);
if (bind(sockfdy, (struct sockaddr *)clnt_addr, *addrlen) < 0) {
SU_DEBUG_3(("stun: Error binding to %s:%u\n", inet_ntoa(clnt_addr->sin_addr),
SU_DEBUG_3(("%s: Error binding to %s:%u\n", __func__, inet_ntoa(clnt_addr->sin_addr),
(unsigned)ntohs(clnt_addr->sin_port)));
return retval;
}
y_len = sizeof(y_addr);
getsockname(sockfdy, (struct sockaddr *) &y_addr, &y_len);
SU_DEBUG_3(("stun: Local socket y bound to: %s:%u\n", inet_ntoa(y_addr.sin_addr),
SU_DEBUG_3(("%s: Local socket y bound to: %s:%u\n", __func__, inet_ntoa(y_addr.sin_addr),
(unsigned)ntohs(y_addr.sin_port)));
i = 1;
while (abs(lt_cur-lt) > STUN_LIFETIME_CI) {
SU_DEBUG_3(("stun: Lifetime determination round %d, testing lifetime of %d sec.\n", i++, lt));
SU_DEBUG_3(("%s: Lifetime determination round %d, testing lifetime of %d sec.\n", __func__, i++, lt));
/* send request from X */
if (stun_make_binding_req(se, &binding_request, 0, 0) < 0)
return retval;
......@@ -1552,16 +1566,16 @@ int stun_handle_get_lifetime(stun_handle_t *se,
binding_response.enc_buf.data = (unsigned char *)malloc(z);
binding_response.enc_buf.size = z;
memcpy(binding_response.enc_buf.data, dgram, z);
SU_DEBUG_3(("stun: response from server %s:%u\n", inet_ntoa(recv_addr.sin_addr), ntohs(recv_addr.sin_port)));
SU_DEBUG_3(("%s: response from server %s:%u\n", __func__, inet_ntoa(recv_addr.sin_addr), ntohs(recv_addr.sin_port)));
debug_print(&binding_response.enc_buf);
}
else {
SU_DEBUG_3(("stun: No response from server. Check configuration.\n"));
SU_DEBUG_3(("%s: No response from server. Check configuration.\n", __func__));
return retval;
}
/* process response */
if (stun_parse_message(&binding_response) < 0) {
SU_DEBUG_5(("stun: Error parsing response.\n"));
SU_DEBUG_5(("%s: Error parsing response.\n", __func__));
return retval;
}
if (binding_response.stun_hdr.msg_type == BINDING_RESPONSE) {
......@@ -1600,14 +1614,14 @@ int stun_handle_get_lifetime(stun_handle_t *se,
/* mapping with X still valid */
lt_cur = lt;
lt = (int) (lt+lt_max)/2;
SU_DEBUG_3(("stun: Response received from socket X, lifetime at least %d sec, next trial: %d sec\n\n",
SU_DEBUG_3(("%s: Response received from socket X, lifetime at least %d sec, next trial: %d sec\n\n", __func__,
lt_cur, lt));
}
else {
/* no response */
lt_max = lt;
lt = (int) (lt+lt_cur)/2;
SU_DEBUG_3(("stun: No response received from socket X, lifetime at most %d sec, next trial: %d sec\n\n",
SU_DEBUG_3(("%s: No response received from socket X, lifetime at most %d sec, next trial: %d sec\n\n", __func__,
lt_max, lt));
}
}
......
libsofia-sip-ua/stun/stun_common.c
View file @ 1cda15ca
......@@ -91,7 +91,7 @@ int stun_parse_message(stun_msg_t *msg) {
msg->stun_hdr.tran_id[i] = ntohs(tmp16);
}
SU_DEBUG_5(("stun: Parse STUN message: Length = %d\n", msg->stun_hdr.msg_len));
SU_DEBUG_5(("%s: Parse STUN message: Length = %d\n", __func__, msg->stun_hdr.msg_len));
/* parse attributes */
len = msg->stun_hdr.msg_len;
......@@ -130,8 +130,9 @@ int stun_parse_attribute(stun_msg_t *msg, unsigned char *p) {
p+=2;
len = ntohs(tmp16);
SU_DEBUG_3(("stun: received attribute: Type %02X, Length %d - %s\n",
SU_DEBUG_3(("%s: received attribute: Type %02X, Length %d - %s\n", __func__,
attr->attr_type, len, stun_attr_phrase(attr->attr_type)));
switch(attr->attr_type) {
case MAPPED_ADDRESS:
case RESPONSE_ADDRESS:
......@@ -212,7 +213,7 @@ int stun_parse_attr_address(stun_attr_t *attr, const unsigned char *p, unsigned
memcpy(&addr->sin_port, p+2, 2);
memcpy(&addr->sin_addr.s_addr, p+4, 4);
SU_DEBUG_3(("stun: address attribute: %s:%d\n", inet_ntoa(addr->sin_addr), ntohs(addr->sin_port)));
SU_DEBUG_3(("%s: address attribute: %s:%d\n", __func__, inet_ntoa(addr->sin_addr), ntohs(addr->sin_port)));
attr->pattr = addr;
stun_init_buffer(&attr->enc_buf);
......@@ -257,9 +258,9 @@ int stun_parse_attr_uint32(stun_attr_t *attr, const unsigned char *p, unsigned l
int stun_parse_attr_buffer(stun_attr_t *attr, const unsigned char *p, unsigned len)
{
stun_buffer_t *buf;
buf = (stun_buffer_t *)malloc(sizeof(stun_buffer_t));
buf = (stun_buffer_t *) malloc(sizeof(stun_buffer_t));
buf->size = len;
buf->data = (unsigned char *)malloc(len);
buf->data = (unsigned char *) malloc(len);
memcpy(buf->data, p, len);
attr->pattr = buf;
stun_init_buffer(&attr->enc_buf);
......@@ -267,7 +268,9 @@ int stun_parse_attr_buffer(stun_attr_t *attr, const unsigned char *p, unsigned l
return 0;
}
int stun_parse_attr_unknown_attributes(stun_attr_t *attr, const unsigned char *p, unsigned len)
int stun_parse_attr_unknown_attributes(stun_attr_t *attr,
const unsigned char *p,
unsigned len)
{
return 0;
}
......@@ -276,8 +279,8 @@ int stun_parse_attr_unknown_attributes(stun_attr_t *attr, const unsigned char *p
stun_attr_t *stun_get_attr(stun_attr_t *attr, uint16_t attr_type) {
stun_attr_t *p;
p = attr;
while(p!= NULL) {
if(p->attr_type==attr_type)
while (p != NULL) {
if (p->attr_type == attr_type)
return p;
else
p = p->next;
......@@ -291,7 +294,7 @@ void stun_init_buffer(stun_buffer_t *p) {
}
int stun_free_buffer(stun_buffer_t *p) {
if(p->data)
if (p->data)
free(p->data);
p->size = 0;
return 0;
......@@ -306,9 +309,10 @@ int stun_copy_buffer(stun_buffer_t *p, stun_buffer_t *p2) {
}
const char *stun_response_phrase(int status) {
if(status <100 || status >600)
if (status <100 || status >600)
return NULL;
switch(status) {
switch (status) {
case STUN_400_BAD_REQUEST: return stun_400_Bad_request;
case STUN_401_UNAUTHORIZED: return stun_401_Unauthorized;
case STUN_420_UNKNOWN_ATTRIBUTE: return stun_420_Unknown_attribute;
......@@ -343,7 +347,7 @@ int stun_encode_address(stun_attr_t *attr) {
a = (stun_attr_sockaddr_t *)attr->pattr;
if(stun_encode_type_len(attr, 2*sizeof(uint32_t))<0) {
if (stun_encode_type_len(attr, 2*sizeof(uint32_t)) < 0) {
return -1;
}
......@@ -361,7 +365,7 @@ int stun_encode_uint32(stun_attr_t *attr) {
return -1;
}
tmp = htonl(((stun_attr_changerequest_t *)attr->pattr)->value);
tmp = htonl(((stun_attr_changerequest_t *) attr->pattr)->value);
memcpy(attr->enc_buf.data+4, &tmp, sizeof(tmp));
return attr->enc_buf.size;
}
......@@ -372,23 +376,23 @@ int stun_encode_error_code(stun_attr_t *attr) {
int len;
stun_attr_errorcode_t *error;
error = (stun_attr_errorcode_t *)attr->pattr;
class = error->code /100;
num = error->code %100;
error = (stun_attr_errorcode_t *) attr->pattr;
class = error->code / 100;
num = error->code % 100;
len = strlen(error->phrase);
attr->enc_buf.size = len + (len%4==0? 0 : 4 - (len%4));
attr->enc_buf.size = len + (len % 4 == 0? 0 : 4 - (len % 4));
reason = malloc(attr->enc_buf.size);
memset(reason, 0, attr->enc_buf.size);
memcpy(reason, error->phrase, len);
attr->enc_buf.size +=4;
if(stun_encode_type_len(attr, attr->enc_buf.size)<0) {
if (stun_encode_type_len(attr, attr->enc_buf.size) < 0) {
return -1;
}
memset(attr->enc_buf.data+4, 0, 2);
memcpy(attr->enc_buf.data+6, &class, 1);
memcpy(attr->enc_buf.data+7, &num, 1);
memcpy(attr->enc_buf.data+8, reason, attr->enc_buf.size-4);
memcpy(attr->enc_buf.data+8, reason, attr->enc_buf.size - 4);
return attr->enc_buf.size;
}
......@@ -398,7 +402,7 @@ int stun_encode_buffer(stun_attr_t *attr) {
a = (stun_buffer_t *)attr->pattr;
if(stun_encode_type_len(attr, a->size)<0) {
if (stun_encode_type_len(attr, a->size) < 0) {
return -1;
}
......@@ -406,18 +410,21 @@ int stun_encode_buffer(stun_attr_t *attr) {
return attr->enc_buf.size;
}
int stun_encode_message_integrity(stun_attr_t *attr, unsigned char *buf, int len, stun_buffer_t *pwd) {
int stun_encode_message_integrity(stun_attr_t *attr,
unsigned char *buf,
int len,
stun_buffer_t *pwd) {
int padded_len;
size_t dig_len;
unsigned char *padded_text;
if(stun_encode_type_len(attr, 20)<0) {
if (stun_encode_type_len(attr, 20) < 0) {
return -1;
}
/* zero padding */
padded_len = len + (len%64==0? 0:64 - (len%64));
padded_text = (unsigned char *)malloc(padded_len);
padded_len = len + (len % 64 == 0 ? 0 : 64 - (len % 64));
padded_text = (unsigned char *) malloc(padded_len);
memset(padded_text, 0, padded_len);
memcpy(padded_text, buf, len);
......@@ -430,13 +437,13 @@ int stun_encode_message_integrity(stun_attr_t *attr, unsigned char *buf, int len
/** this function allocates the enc_buf, fills in type, length */
int stun_encode_type_len(stun_attr_t *attr, uint16_t len) {
uint16_t tmp;
attr->enc_buf.data = (unsigned char *)malloc(len+4);
memset(attr->enc_buf.data, 0, len+4);
attr->enc_buf.data = (unsigned char *) malloc(len + 4);
memset(attr->enc_buf.data, 0, len + 4);
tmp = htons(attr->attr_type);
memcpy(attr->enc_buf.data, &tmp, 2);
tmp = htons(len);
memcpy(attr->enc_buf.data+2, &tmp, 2);
attr->enc_buf.size = len+4;
memcpy(attr->enc_buf.data + 2, &tmp, 2);
attr->enc_buf.size = len + 4;
return 0;
}
......@@ -460,7 +467,7 @@ int stun_validate_message_integrity(stun_msg_t *msg, stun_buffer_t *pwd) {
}
/* zero padding */
len = msg->enc_buf.size-24;
len = msg->enc_buf.size - 24;
padded_len = len + (len % 64 == 0 ? 0 : 64 - (len % 64));
padded_text = (unsigned char *) malloc(padded_len);
memset(padded_text, 0, padded_len);
......@@ -468,7 +475,7 @@ int stun_validate_message_integrity(stun_msg_t *msg, stun_buffer_t *pwd) {
memcpy(dig, HMAC(EVP_sha1(), pwd->data, pwd->size, padded_text, padded_len, NULL, &dig_len), 20);
if (memcmp(dig, msg->enc_buf.data+msg->enc_buf.size-20, 20) != 0) {
if (memcmp(dig, msg->enc_buf.data + msg->enc_buf.size - 20, 20) != 0) {
/* does not match, but try the test server's password */
if (memcmp(msg->enc_buf.data+msg->enc_buf.size-20, "hmac-not-implemented", 20) != 0) {
SU_DEBUG_5(("%s: error: message digest problem.\n", __func__));
......
libsofia-sip-ua/stun/stunc.c
View file @ 1cda15ca
......@@ -73,7 +73,7 @@ void stunc_callback(stunc_t *stunc, stun_handle_t *en, stun_states_t event)
switch (event) {
case stun_tls_done:
SU_DEBUG_3(("%s: %s\n", __func__, stun_str_state(event)));
/* SU_DEBUG_3(("%s: %s\n", __func__, stun_str_state(event))); */
su_root_break(stun_handle_root(en));
break;
......
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