int
osip_content_length_clone (const osip_content_length_t * ctl, osip_content_length_t ** dest)
{
int i;
osip_content_length_t *cl;
*dest = NULL;
if (ctl == NULL)
return OSIP_BADPARAMETER;
/*
empty headers are allowed:
if (ctl->value==NULL) return -1;
*/
i = osip_content_length_init (&cl);
if (i != 0) /* allocation failed */
return i;
if (ctl->value != NULL) {
cl->value = osip_strdup (ctl->value);
if (cl->value == NULL) {
osip_content_length_free (cl);
return OSIP_NOMEM;
}
}
*dest = cl;
return OSIP_SUCCESS;
}
void
osip_message_free (osip_message_t * sip)
{
if (sip == NULL)
return;
osip_free (sip->sip_method);
osip_free (sip->sip_version);
if (sip->req_uri != NULL)
osip_uri_free (sip->req_uri);
osip_free (sip->reason_phrase);
#ifndef MINISIZE
osip_list_special_free (&sip->accepts, (void (*)(void *)) &osip_accept_free);
#endif
osip_list_special_free (&sip->authorizations, (void (*)(void *)) &osip_authorization_free);
if (sip->call_id != NULL)
osip_call_id_free (sip->call_id);
#ifndef MINISIZE
osip_list_special_free (&sip->accept_encodings, (void (*)(void *)) &osip_accept_encoding_free);
osip_list_special_free (&sip->accept_languages, (void (*)(void *)) &osip_accept_language_free);
osip_list_special_free (&sip->alert_infos, (void (*)(void *)) &osip_alert_info_free);
osip_list_special_free (&sip->allows, (void (*)(void *)) &osip_allow_free);
osip_list_special_free (&sip->authentication_infos, (void (*)(void *)) &osip_authentication_info_free);
osip_list_special_free (&sip->content_encodings, (void (*)(void *)) &osip_content_encoding_free);
osip_list_special_free (&sip->error_infos, (void (*)(void *)) &osip_error_info_free);
osip_list_special_free (&sip->proxy_authentication_infos, (void (*)(void *))
&osip_proxy_authentication_info_free);
#endif
osip_list_special_free (&sip->call_infos, (void (*)(void *)) &osip_call_info_free);
osip_list_special_free (&sip->contacts, (void (*)(void *)) &osip_contact_free);
if (sip->content_length != NULL)
osip_content_length_free (sip->content_length);
if (sip->content_type != NULL)
osip_content_type_free (sip->content_type);
if (sip->cseq != NULL)
osip_cseq_free (sip->cseq);
if (sip->from != NULL)
osip_from_free (sip->from);
if (sip->mime_version != NULL)
osip_mime_version_free (sip->mime_version);
osip_list_special_free (&sip->proxy_authenticates, (void (*)(void *)) &osip_proxy_authenticate_free);
osip_list_special_free (&sip->proxy_authorizations, (void (*)(void *)) &osip_proxy_authorization_free);
osip_list_special_free (&sip->record_routes, (void (*)(void *)) &osip_record_route_free);
osip_list_special_free (&sip->routes, (void (*)(void *)) &osip_route_free);
if (sip->to != NULL)
osip_to_free (sip->to);
osip_list_special_free (&sip->vias, (void (*)(void *)) &osip_via_free);
osip_list_special_free (&sip->www_authenticates, (void (*)(void *)) &osip_www_authenticate_free);
osip_list_special_free (&sip->headers, (void (*)(void *)) &osip_header_free);
osip_list_special_free (&sip->bodies, (void (*)(void *)) &osip_body_free);
osip_free (sip->message);
osip_free (sip);
}
/* returns -1 on error. */
int
osip_message_set_content_length (osip_message_t * sip, const char *hvalue)
{
int i;
if (hvalue == NULL || hvalue[0] == '\0')
return OSIP_SUCCESS;
if (sip->content_length != NULL)
return OSIP_SYNTAXERROR;
i = osip_content_length_init (&(sip->content_length));
if (i != 0)
return i;
sip->message_property = 2;
i = osip_content_length_parse (sip->content_length, hvalue);
if (i != 0) {
osip_content_length_free (sip->content_length);
sip->content_length = NULL;
return i;
}
return OSIP_SUCCESS;
}
/*
* PROXY_REWRITE_INVITATION_BODY
*
* rewrites the outgoing INVITATION request or response packet
*
* RETURNS
* STS_SUCCESS on success
* STS_FAILURE on error
*/
int proxy_rewrite_invitation_body(osip_message_t *mymsg, int direction){
osip_body_t *body;
sdp_message_t *sdp;
struct in_addr map_addr, addr_sess, addr_media, outside_addr, inside_addr;
int sts;
char *bodybuff;
int bodybuflen;
char clen[8]; /* content length: probably never more than 7 digits !*/
int map_port, msg_port;
int media_stream_no;
sdp_connection_t *sdp_conn;
sdp_media_t *sdp_med;
int rtp_direction=0;
int have_c_media=0;
if (configuration.rtp_proxy_enable == 0) return STS_SUCCESS;
/*
* get SDP structure
*/
sts = osip_message_get_body(mymsg, 0, &body);
if (sts != 0) {
#if 0
if ((MSG_IS_RESPONSE_FOR(mymsg,"INVITE")) &&
(MSG_IS_STATUS_1XX(mymsg))) {
/* 1xx responses *MAY* contain SDP data */
DEBUGC(DBCLASS_PROXY, "rewrite_invitation_body: "
"no body found in message");
return STS_SUCCESS;
} else {
/* INVITE request and 200 response *MUST* contain SDP data */
ERROR("rewrite_invitation_body: no body found in message");
return STS_FAILURE;
}
#else
DEBUGC(DBCLASS_PROXY, "rewrite_invitation_body: "
"no body found in message");
return STS_SUCCESS;
#endif
}
sts = sip_body_to_str(body, &bodybuff, &bodybuflen);
if (sts != 0) {
ERROR("rewrite_invitation_body: unable to sip_body_to_str");
}
sts = sdp_message_init(&sdp);
sts = sdp_message_parse (sdp, bodybuff);
if (sts != 0) {
ERROR("rewrite_invitation_body: unable to sdp_message_parse body");
DUMP_BUFFER(-1, bodybuff, bodybuflen);
osip_free(bodybuff);
sdp_message_free(sdp);
return STS_FAILURE;
}
osip_free(bodybuff);
if (configuration.debuglevel)
{ /* just dump the buffer */
char *tmp, *tmp2;
int tmplen;
sts = osip_message_get_body(mymsg, 0, &body);
sts = sip_body_to_str(body, &tmp, &tmplen);
osip_content_length_to_str(mymsg->content_length, &tmp2);
DEBUG("Body before rewrite (clen=%s, strlen=%i):\n%s\n----",
tmp2, tmplen, tmp);
osip_free(tmp);
osip_free(tmp2);
}
/*
* RTP proxy: get ready and start forwarding
* start forwarding for each media stream ('m=' item in SIP message)
*/
/* get outbound address */
if (get_interface_ip(IF_OUTBOUND, &outside_addr) != STS_SUCCESS) {
sdp_message_free(sdp);
return STS_FAILURE;
}
/* get inbound address */
if (get_interface_ip(IF_INBOUND, &inside_addr) != STS_SUCCESS) {
sdp_message_free(sdp);
return STS_FAILURE;
}
/* figure out what address to use for RTP masquerading */
if (MSG_IS_REQUEST(mymsg)) {
if (direction == DIR_INCOMING) {
memcpy(&map_addr, &inside_addr, sizeof (map_addr));
rtp_direction = DIR_OUTGOING;
} else {
memcpy(&map_addr, &outside_addr, sizeof (map_addr));
rtp_direction = DIR_INCOMING;
}
} else /* MSG_IS_REPONSE(mymsg) */ {
if (direction == DIR_INCOMING) {
memcpy(&map_addr, &inside_addr, sizeof (map_addr));
rtp_direction = DIR_OUTGOING;
} else {
memcpy(&map_addr, &outside_addr, sizeof (map_addr));
rtp_direction = DIR_INCOMING;
}
}
DEBUGC(DBCLASS_PROXY, "proxy_rewrite_invitation_body: SIP[%s %s] RTP[%s %s]",
MSG_IS_REQUEST(mymsg)? "RQ" : "RS",
(direction==DIR_INCOMING)? "IN" : "OUT",
(rtp_direction==DIR_INCOMING)? "IN" : "OUT",
utils_inet_ntoa(map_addr));
/*
* first, check presence of a 'c=' item on session level
*/
if (sdp->c_connection==NULL || sdp->c_connection->c_addr==NULL) {
/*
* No 'c=' on session level, search on media level now
*
* According to RFC2327, ALL media description must
* include a 'c=' item now:
*/
media_stream_no=0;
while (!sdp_message_endof_media(sdp, media_stream_no)) {
/* check if n'th media stream is present */
if (sdp_message_c_addr_get(sdp, media_stream_no, 0) == NULL) {
ERROR("SDP: have no 'c=' on session level and neither "
"on media level (media=%i)",media_stream_no);
sdp_message_free(sdp);
return STS_FAILURE;
}
media_stream_no++;
} /* while */
}
/* Required 'c=' items ARE present */
/*
* rewrite 'c=' item on session level if present and not yet done.
* remember the original address in addr_sess
*/
memset(&addr_sess, 0, sizeof(addr_sess));
if (sdp->c_connection && sdp->c_connection->c_addr) {
sts = get_ip_by_host(sdp->c_connection->c_addr, &addr_sess);
if (sts == STS_FAILURE) {
ERROR("SDP: cannot resolve session 'c=' host [%s]",
sdp->c_connection->c_addr);
sdp_message_free(sdp);
return STS_FAILURE;
}
/*
* Rewrite
* an IP address of 0.0.0.0 means *MUTE*, don't rewrite such
*/
if (strcmp(sdp->c_connection->c_addr, "0.0.0.0") != 0) {
osip_free(sdp->c_connection->c_addr);
sdp->c_connection->c_addr=osip_malloc(HOSTNAME_SIZE);
sprintf(sdp->c_connection->c_addr, "%s", utils_inet_ntoa(map_addr));
} else {
/* 0.0.0.0 - don't rewrite */
DEBUGC(DBCLASS_PROXY, "proxy_rewrite_invitation_body: "
"got a MUTE c= record (on session level - legal?)");
}
}
/*
* rewrite 'o=' item (originator) on session level if present.
*/
if (sdp->o_addrtype && sdp->o_addr) {
if (strcmp(sdp->o_addrtype, "IP4") != 0) {
ERROR("got IP6 in SDP originator - not yet suported by siproxd");
sdp_message_free(sdp);
return STS_FAILURE;
}
osip_free(sdp->o_addr);
sdp->o_addr=osip_malloc(HOSTNAME_SIZE);
sprintf(sdp->o_addr, "%s", utils_inet_ntoa(map_addr));
}
/*
* loop through all media descritions,
* start RTP proxy and rewrite them
*/
for (media_stream_no=0;;media_stream_no++) {
/* check if n'th media stream is present */
if (sdp_message_m_port_get(sdp, media_stream_no) == NULL) break;
/*
* check if a 'c=' item is present in this media description,
* if so -> rewrite it
*/
memset(&addr_media, 0, sizeof(addr_media));
have_c_media=0;
sdp_conn=sdp_message_connection_get(sdp, media_stream_no, 0);
if (sdp_conn && sdp_conn->c_addr) {
if (strcmp(sdp_conn->c_addr, "0.0.0.0") != 0) {
sts = get_ip_by_host(sdp_conn->c_addr, &addr_media);
have_c_media=1;
/* have a valid address */
osip_free(sdp_conn->c_addr);
sdp_conn->c_addr=osip_malloc(HOSTNAME_SIZE);
sprintf(sdp_conn->c_addr, "%s", utils_inet_ntoa(map_addr));
} else {
/* 0.0.0.0 - don't rewrite */
DEBUGC(DBCLASS_PROXY, "proxy_rewrite_invitation_body: got a "
"MUTE c= record (media level)");
}
}
/* start an RTP proxying stream */
if (sdp_message_m_port_get(sdp, media_stream_no)) {
msg_port=atoi(sdp_message_m_port_get(sdp, media_stream_no));
if (msg_port > 0) {
osip_uri_t *cont_url = NULL;
char *client_id=NULL;
/* try to get some additional UA specific unique ID.
* Try:
* 1) User part of Contact header
* 2) Host part of Contact header (will be different
* between internal UA and external UA)
*/
if (!osip_list_eol(mymsg->contacts, 0))
cont_url = ((osip_contact_t*)(mymsg->contacts->node->element))->url;
if (cont_url) {
client_id=cont_url->username;
if (client_id == NULL) client_id=cont_url->host;
}
/*
* do we have a 'c=' item on media level?
* if not, use the same as on session level
*/
if (have_c_media == 0) {
memcpy(&addr_media, &addr_sess, sizeof(addr_sess));
}
/*
* Am I running in front of the routing device? Then I cannot
* use the external IP to bind a listen socket to, so force
* the use of my inbound IP for listening.
*/
if ((rtp_direction == DIR_INCOMING) &&
(configuration.outbound_host) &&
(strcmp(configuration.outbound_host, "")!=0)) {
DEBUGC(DBCLASS_PROXY, "proxy_rewrite_invitation_body: "
"in-front-of-NAT-Router");
memcpy(&map_addr, &inside_addr, sizeof (map_addr));
}
sts = rtp_start_fwd(osip_message_get_call_id(mymsg),
client_id,
rtp_direction,
media_stream_no,
map_addr, &map_port,
addr_media, msg_port);
if (sts == STS_SUCCESS) {
/* and rewrite the port */
sdp_med=osip_list_get(sdp->m_medias, media_stream_no);
if (sdp_med && sdp_med->m_port) {
osip_free(sdp_med->m_port);
sdp_med->m_port=osip_malloc(8); /* 5 digits, \0 + align */
sprintf(sdp_med->m_port, "%i", map_port);
DEBUGC(DBCLASS_PROXY, "proxy_rewrite_invitation_body: "
"m= rewrote port to [%i]",map_port);
} else {
ERROR("rewriting port in m= failed sdp_med=%p, "
"m_number_of_port=%p", sdp_med, sdp_med->m_port);
}
} /* sts == success */
} /* if msg_port > 0 */
} else {
/* no port defined - skip entry */
WARN("no port defined in m=(media) stream_no=%i", media_stream_no);
continue;
}
} /* for media_stream_no */
/* remove old body */
sts = osip_list_remove(mymsg->bodies, 0);
osip_body_free(body);
/* dump new body */
sdp_message_to_str(sdp, &bodybuff);
bodybuflen=strlen(bodybuff);
/* free sdp structure */
sdp_message_free(sdp);
/* include new body */
sip_message_set_body(mymsg, bodybuff, bodybuflen);
if (sts != 0) {
ERROR("rewrite_invitation_body: unable to sip_message_set_body body");
}
/* free content length resource and include new one*/
osip_content_length_free(mymsg->content_length);
mymsg->content_length=NULL;
sprintf(clen,"%i",bodybuflen);
sts = osip_message_set_content_length(mymsg, clen);
/* free old body */
osip_free(bodybuff);
if (configuration.debuglevel)
{ /* just dump the buffer */
char *tmp, *tmp2;
int tmplen;
sts = osip_message_get_body(mymsg, 0, &body);
sts = sip_body_to_str(body, &tmp, &tmplen);
osip_content_length_to_str(mymsg->content_length, &tmp2);
DEBUG("Body after rewrite (clen=%s, strlen=%i):\n%s\n----",
tmp2, tmplen, tmp);
osip_free(tmp);
osip_free(tmp2);
}
return STS_SUCCESS;
}
/* osip_message_t *sip is filled while analysing buf */
static int
_osip_message_parse (osip_message_t * sip, const char *buf, size_t length, int sipfrag)
{
int i;
const char *next_header_index;
char *tmp;
char *beg;
tmp = osip_malloc (length + 2);
if (tmp == NULL) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Could not allocate memory.\n"));
return OSIP_NOMEM;
}
beg = tmp;
memcpy (tmp, buf, length); /* may contain binary data */
tmp[length] = '\0';
/* skip initial \r\n */
while (tmp[0] == '\r' || tmp[0] == '\n')
tmp++;
osip_util_replace_all_lws (tmp);
/* parse request or status line */
i = __osip_message_startline_parse (sip, tmp, &next_header_index);
if (i != 0 && !sipfrag) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Could not parse start line of message.\n"));
osip_free (beg);
return i;
}
tmp = (char *) next_header_index;
/* parse headers */
i = msg_headers_parse (sip, tmp, &next_header_index);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "error in msg_headers_parse()\n"));
osip_free (beg);
return i;
}
tmp = (char *) next_header_index;
if (sip->content_length != NULL && sip->content_length->value == NULL) {
/* empty content_length header */
osip_content_length_free(sip->content_length);
sip->content_length=NULL;
}
if (sip->content_length != NULL && sip->content_length->value != NULL && atoi(sip->content_length->value) >0) {
/* body exist */
} else if (sip->content_length == NULL && '\r' == next_header_index[0] && '\n' == next_header_index[1] && length - (tmp - beg) - (2) >0) {
/* body exist */
} else if (sip->content_length == NULL && '\n' == next_header_index[0] && length - (tmp - beg) - (1) >0) {
/* body exist */
} else {
if (sip->content_length == NULL)
osip_message_set_content_length (sip, "0");
osip_free (beg);
return OSIP_SUCCESS; /* no body found */
}
i = msg_osip_body_parse (sip, tmp, &next_header_index, length - (tmp - beg));
osip_free (beg);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "error in msg_osip_body_parse()\n"));
return i;
}
/* this is mandatory in the oSIP stack */
if (sip->content_length == NULL)
osip_message_set_content_length (sip, "0");
return OSIP_SUCCESS;
}
/*
* Processing.
*
*/
int PLUGIN_PROCESS(int stage, sip_ticket_t *ticket){
/* stage contains the PLUGIN_* value - the stage of SIP processing. */
int sts;
char *buff;
size_t buflen;
osip_body_t *body;
sdp_message_t *sdp;
int content_length;
osip_content_type_t *content_type;
char clen[8]; /* content length: probably never more than 7 digits !*/
//
// check that we have the expected payload "application/sdp"
//
// get content length
content_length=0;
if (ticket->sipmsg && ticket->sipmsg->content_length
&& ticket->sipmsg->content_length->value) {
sts=sscanf(ticket->sipmsg->content_length->value, "%i", &content_length);
}
// check if we have a content type defined and that payload length >0
content_type=osip_message_get_content_type(ticket->sipmsg);
if ((content_length == 0) || (content_type == NULL)
|| (content_type->type == NULL) || (content_type->subtype == NULL)) {
DEBUGC(DBCLASS_PLUGIN, "%s: no content", name);
return STS_SUCCESS;
}
// check content type: must be "application/sdp"
if ((strncmp(content_type->type, "application", sizeof("application")) != 0)
|| (strncmp(content_type->subtype, "sdp", sizeof("sdp")) != 0)) {
DEBUGC(DBCLASS_PLUGIN, "%s: unsupported content-type %s/%s", name,
content_type->type, content_type->subtype);
return STS_SUCCESS;
}
DEBUGC(DBCLASS_PLUGIN, "%s: content-type %s/%s, size=%i", name,
content_type->type, content_type->subtype, content_length);
//
// parse the payload
//
// get a pointer to the payload of the SIP packet
sts = osip_message_get_body(ticket->sipmsg, 0, &body);
if (sts != 0) {
DEBUGC(DBCLASS_PLUGIN, "%s: no body found in message", name);
return STS_SUCCESS;
}
// dump it into a buffer
sts = sip_body_to_str(body, &buff, &buflen);
if (sts != 0) {
WARN("%s: unable to sip_body_to_str", name);
return STS_SUCCESS;
}
// and parse it into an SDP structure
sts = sdp_message_init(&sdp);
sts = sdp_message_parse (sdp, buff);
if (sts != 0) {
WARN("%s: unable to sdp_message_parse() body", name);
DUMP_BUFFER(-1, buff, buflen);
osip_free(buff);
buff=NULL;
sdp_message_free(sdp);
return STS_SUCCESS;
}
osip_free(buff);
buff=NULL;
//
// now do the codec filtering magic...
sdp_filter_codec(sdp);
//
// replace the original payload with the new modified payload
//
// remove old body from SIP packet
sts = osip_list_remove(&(ticket->sipmsg->bodies), 0);
osip_body_free(body);
body=NULL;
// dump new body to buffer
sdp_message_to_str(sdp, &buff);
buflen=strlen(buff);
// free sdp structure (no longer needed)
sdp_message_free(sdp);
sdp=NULL;
// put new body into SIP message
sts=sip_message_set_body(ticket->sipmsg, buff, buflen);
if (sts != 0) {
ERROR("%s: unable to sip_message_set_body body", name);
DUMP_BUFFER(-1, buff, buflen);
buflen=0;
}
// free buffer
osip_free(buff);
buff=NULL;
//
// set new content length
//
// remove old content leght field
osip_content_length_free(ticket->sipmsg->content_length);
ticket->sipmsg->content_length=NULL;
// set new content length
sprintf(clen,"%ld",(long)buflen);
sts = osip_message_set_content_length(ticket->sipmsg, clen);
return STS_SUCCESS;
}
void
osip_message_free (osip_message_t * sip)
{
int pos = 0;
if (sip == NULL)
return;
osip_free (sip->sip_method);
osip_free (sip->sip_version);
if (sip->req_uri != NULL)
{
osip_uri_free (sip->req_uri);
}
osip_free (sip->reason_phrase);
{
osip_accept_t *accept;
while (!osip_list_eol (&sip->accepts, pos))
{
accept = (osip_accept_t *) osip_list_get (&sip->accepts, pos);
osip_list_remove (&sip->accepts, pos);
osip_accept_free (accept);
}
}
{
osip_accept_encoding_t *accept_encoding;
while (!osip_list_eol (&sip->accept_encodings, pos))
{
accept_encoding =
(osip_accept_encoding_t *) osip_list_get (&sip->accept_encodings, pos);
osip_list_remove (&sip->accept_encodings, pos);
osip_accept_encoding_free (accept_encoding);
}
}
{
osip_accept_language_t *accept_language;
while (!osip_list_eol (&sip->accept_languages, pos))
{
accept_language =
(osip_accept_language_t *) osip_list_get (&sip->accept_languages, pos);
osip_list_remove (&sip->accept_languages, pos);
osip_accept_language_free (accept_language);
}
}
{
osip_alert_info_t *alert_info;
while (!osip_list_eol (&sip->alert_infos, pos))
{
alert_info = (osip_alert_info_t *) osip_list_get (&sip->alert_infos, pos);
osip_list_remove (&sip->alert_infos, pos);
osip_alert_info_free (alert_info);
}
}
{
osip_allow_t *al;
while (!osip_list_eol (&sip->allows, pos))
{
al = (osip_allow_t *) osip_list_get (&sip->allows, pos);
osip_list_remove (&sip->allows, pos);
osip_allow_free (al);
}
}
{
osip_authentication_info_t *al;
while (!osip_list_eol (&sip->authentication_infos, pos))
{
al =
(osip_authentication_info_t *) osip_list_get (&sip->
authentication_infos, pos);
osip_list_remove (&sip->authentication_infos, pos);
osip_authentication_info_free (al);
}
}
{
osip_authorization_t *al;
while (!osip_list_eol (&sip->authorizations, pos))
{
al = (osip_authorization_t *) osip_list_get (&sip->authorizations, pos);
osip_list_remove (&sip->authorizations, pos);
osip_authorization_free (al);
}
}
if (sip->call_id != NULL)
{
osip_call_id_free (sip->call_id);
}
{
osip_call_info_t *call_info;
while (!osip_list_eol (&sip->call_infos, pos))
{
call_info = (osip_call_info_t *) osip_list_get (&sip->call_infos, pos);
osip_list_remove (&sip->call_infos, pos);
osip_call_info_free (call_info);
}
}
{
osip_contact_t *contact;
while (!osip_list_eol (&sip->contacts, pos))
{
contact = (osip_contact_t *) osip_list_get (&sip->contacts, pos);
osip_list_remove (&sip->contacts, pos);
osip_contact_free (contact);
}
}
{
osip_content_encoding_t *ce;
while (!osip_list_eol (&sip->content_encodings, pos))
{
ce =
(osip_content_encoding_t *) osip_list_get (&sip->content_encodings, pos);
osip_list_remove (&sip->content_encodings, pos);
osip_content_encoding_free (ce);
}
}
if (sip->content_length != NULL)
{
osip_content_length_free (sip->content_length);
}
if (sip->content_type != NULL)
{
osip_content_type_free (sip->content_type);
}
if (sip->cseq != NULL)
{
osip_cseq_free (sip->cseq);
}
{
osip_error_info_t *error_info;
while (!osip_list_eol (&sip->error_infos, pos))
{
error_info = (osip_error_info_t *) osip_list_get (&sip->error_infos, pos);
osip_list_remove (&sip->error_infos, pos);
osip_error_info_free (error_info);
}
}
if (sip->from != NULL)
{
osip_from_free (sip->from);
}
if (sip->mime_version != NULL)
{
osip_mime_version_free (sip->mime_version);
}
{
osip_proxy_authenticate_t *al;
while (!osip_list_eol (&sip->proxy_authenticates, pos))
{
al =
(osip_proxy_authenticate_t *) osip_list_get (&sip->
proxy_authenticates, pos);
osip_list_remove (&sip->proxy_authenticates, pos);
osip_proxy_authenticate_free (al);
}
}
{
osip_proxy_authentication_info_t *al;
while (!osip_list_eol (&sip->proxy_authentication_infos, pos))
{
al =
(osip_proxy_authentication_info_t *) osip_list_get (&sip->
proxy_authentication_infos,
pos);
osip_list_remove (&sip->proxy_authentication_infos, pos);
osip_proxy_authentication_info_free (al);
}
}
{
osip_proxy_authorization_t *proxy_authorization;
while (!osip_list_eol (&sip->proxy_authorizations, pos))
{
proxy_authorization =
(osip_proxy_authorization_t *) osip_list_get (&sip->
proxy_authorizations, pos);
osip_list_remove (&sip->proxy_authorizations, pos);
osip_proxy_authorization_free (proxy_authorization);
}
}
{
osip_record_route_t *record_route;
while (!osip_list_eol (&sip->record_routes, pos))
{
record_route =
(osip_record_route_t *) osip_list_get (&sip->record_routes, pos);
osip_list_remove (&sip->record_routes, pos);
osip_record_route_free (record_route);
}
}
{
osip_route_t *route;
while (!osip_list_eol (&sip->routes, pos))
{
route = (osip_route_t *) osip_list_get (&sip->routes, pos);
osip_list_remove (&sip->routes, pos);
osip_route_free (route);
}
}
if (sip->to != NULL)
{
osip_to_free (sip->to);
}
{
osip_via_t *via;
while (!osip_list_eol (&sip->vias, pos))
{
via = (osip_via_t *) osip_list_get (&sip->vias, pos);
osip_list_remove (&sip->vias, pos);
osip_via_free (via);
}
}
{
osip_www_authenticate_t *al;
while (!osip_list_eol (&sip->www_authenticates, pos))
{
al =
(osip_www_authenticate_t *) osip_list_get (&sip->www_authenticates, pos);
osip_list_remove (&sip->www_authenticates, pos);
osip_www_authenticate_free (al);
}
}
{
osip_header_t *header;
while (!osip_list_eol (&sip->headers, pos))
{
header = (osip_header_t *) osip_list_get (&sip->headers, pos);
osip_list_remove (&sip->headers, pos);
osip_header_free (header);
}
}
{
osip_body_t *body;
while (!osip_list_eol (&sip->bodies, pos))
{
body = (osip_body_t *) osip_list_get (&sip->bodies, pos);
osip_list_remove (&sip->bodies, pos);
osip_body_free (body);
}
}
osip_free (sip->message);
osip_free (sip);
}
