int
encode_uri (str uri, char *encoding_prefix, char *public_ip,char separator, str * result)
{
struct uri_format format;
char *pos;
int foo,res;
result->s = NULL;
result->len = 0;
if (uri.len <= 1)
return -1; /* no contact or an invalid one */
if (public_ip == NULL)
{
LM_ERR("invalid NULL value for public_ip parameter\n");
return -2;
}
#ifdef DEBUG
fprintf (stdout, "Primit cerere de encodare a [%.*s] cu %s-%s\n", uri.len,uri.s, encoding_prefix, public_ip);
#endif
fflush (stdout);
foo = encode2format (uri, &format);
if (foo < 0)
{
LM_ERR("unable to encode Contact URI [%.*s].Return code %d\n",uri.len,uri.s,foo);
return foo - 20;
}
#ifdef DEBUG
fprintf(stdout,"user=%.*s ip=%.*s port=%.*s protocol=%.*s\n",format.username.len,format.username.s,format.ip.len,format.ip.s,
format.port.len,format.port.s,format.protocol.len,format.protocol.s);
#endif
/* a complete uri would be sip:username@ip:port;transport=protocol goes to
* sip:enc_pref*username*ip*port*protocol@public_ip
*/
foo = 1; /*strlen(separator); */
result->len = format.first + uri.len - format.second + //ar trebui sa sterg 1
strlen (encoding_prefix) + foo +
format.username.len + foo +
format.password.len + foo +
format.ip.len + foo + format.port.len + foo +
format.protocol.len + 1 + strlen (public_ip);
/* adding one comes from @ */
result->s = pkg_malloc (result->len);
pos = result->s;
if (pos == NULL)
{
#ifdef DEBUG
fprintf (stdout, "Unable to alloc result [%d] end=%d\n",result->len, format.second);
#endif
LM_ERR("unable to alloc pkg memory\n");
return -3;
}
#ifdef DEBUG
fprintf (stdout, "[pass=%d][Allocated %d bytes][first=%d][lengthsec=%d]\nAdding [%d] ->%.*s\n",format.password.len,result->len,format.first,uri.len-format.second,format.first, format.first,uri.s);fflush (stdout);
#endif
res = snprintf(pos,result->len,"%.*s%s%c%.*s%c%.*s%c%.*s%c%.*s%c%.*s@",format.first,uri.s,encoding_prefix,separator,
format.username.len,format.username.s,separator,format.password.len,format.password.s,
separator,format.ip.len,format.ip.s,separator,format.port.len,format.port.s,separator,format.protocol.len,format.protocol.s);
if ((res < 0 )||(res>result->len))
{
LM_ERR("unable to construct new uri.\n");
if (result->s != NULL) pkg_free(result->s);
return -4;
}
#ifdef DEBUG
fprintf(stdout,"res= %d\npos=%s\n",res,pos);
#endif
pos = pos + res ;/* overwriting the \0 from snprintf */
memcpy (pos, public_ip, strlen (public_ip));
pos = pos + strlen (public_ip);
memcpy (pos, uri.s + format.second, uri.len - format.second);
#ifdef DEBUG
fprintf (stdout, "Adding2 [%d] ->%.*s\n", uri.len - format.second,uri.len - format.second, uri.s + format.second);
fprintf (stdout, "NEW NEW uri is->[%.*s]\n", result->len, result->s);
#endif
/* Because called parse_uri format contains pointers to the inside of msg,must not deallocate */
return 0;
}
int
encode_uri (struct sip_msg* msg, str* uri, char *encoding_prefix,
char *public_ip,char separator, str * result)
{
struct uri_format format;
char *pos;
int foo,res;
result->s = NULL;
result->len = 0;
if (uri->len <= 1)
return -1; /* no contact or an invalid one */
if (public_ip == NULL)
{
LOG(L_ERR,"ERROR: encode_uri: Invalid NULL value for public_ip parameter\n");
return -2;
}
foo = encode2format (msg, uri, &format);
if (foo < 0)
{
LOG(L_ERR,"ERROR: encode_uri: Unable to encode Contact URI"
" [%.*s].Return code %d\n",uri->len, uri->s, foo);
return foo - 20;
}
/* a complete uri would be sip:username@ip:port;transport=protocol goes to
* sip:enc_pref*username*ip*port*protocol@public_ip
*/
foo = 1; /*strlen(separator); */
result->len = format.first + uri->s+uri->len - format.rest.s +
strlen (encoding_prefix) + foo +
format.username.len + foo +
format.password.len + foo +
format.ip.len + foo + format.port.len + foo +
format.protocol.len + foo + format.rcv_ip.len + foo +
format.rcv_port.len + foo + format.rcv_proto.len +
1 + strlen (public_ip);
/* adding one comes from @ */
result->s = pkg_malloc (result->len);
pos = result->s;
if (pos == NULL)
{
LOG(L_ERR,"ERROR: encode_uri:Unable to alloc memory\n");
return -3;
}
res = snprintf(pos,result->len,"%.*s%s%c%.*s%c%.*s%c%.*s%c%.*s%c%.*s%c"
"%.*s%c%.*s%c%.*s@",
format.first, uri->s,encoding_prefix,separator,
format.username.len,format.username.s,separator,
format.password.len,format.password.s,
separator,format.ip.len,format.ip.s,separator,format.port.len,
format.port.s,separator,format.protocol.len,format.protocol.s,
separator, format.rcv_ip.len, format.rcv_ip.s, separator,
format.rcv_port.len, format.rcv_port.s, separator,
format.rcv_proto.len, format.rcv_proto.s
);
if ((res < 0 )||(res>result->len))
{
LOG(L_ERR,"ERROR: encode_uri: Unable to construct new uri.\n");
if (result->s != NULL) pkg_free(result->s);
return -4;
}
pos = pos + res ;/* overwriting the \0 from snprintf */
memcpy (pos, public_ip, strlen (public_ip));
pos = pos + strlen (public_ip);
/* copy the rest of the parameters and the rest of uri line*/
memcpy (pos, format.rest.s, uri->s+uri->len - format.rest.s);
/*memcpy (pos, uri.s + format.second, uri.len - format.second);*/
/* Because called parse_uri format contains pointers to the inside of msg,
* must not deallocate */
return 0;
}
