osip_message_to_str.c

最新osip源代码

    }
  message = next;

  i = strcat_simple_header (dest, &malloc_size, &message,
                            sip->from, "From: ", 6,
                            ((int (*)(void *, char **)) &osip_from_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i = strcat_simple_header (dest, &malloc_size, &message,
                            sip->to, "To: ", 4,
                            ((int (*)(void *, char **)) &osip_to_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i = strcat_simple_header (dest, &malloc_size, &message,
                            sip->call_id, "Call-ID: ", 9,
                            ((int (*)(void *, char **)) &osip_call_id_to_str),
                            &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i = strcat_simple_header (dest, &malloc_size, &message,
                            sip->cseq, "CSeq: ", 6,
                            ((int (*)(void *, char **)) &osip_cseq_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_one_per_line (dest, &malloc_size, &message, sip->contacts,
                                 "Contact: ", 9,
                                 ((int (*)(void *, char **))
                                  &osip_contact_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i = strcat_headers_one_per_line (dest, &malloc_size, &message,
                                   sip->authorizations, "Authorization: ", 15,
                                   ((int (*)(void *, char **))
                                    &osip_authorization_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_one_per_line (dest, &malloc_size, &message,
                                 sip->www_authenticates, "WWW-Authenticate: ",
                                 18,
                                 ((int (*)(void *, char **))
                                  &osip_www_authenticate_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_one_per_line (dest, &malloc_size, &message,
                                 sip->proxy_authenticates,
                                 "Proxy-Authenticate: ", 20,
                                 ((int (*)(void *, char **))
                                  &osip_www_authenticate_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_one_per_line (dest, &malloc_size, &message,
                                 sip->proxy_authorizations,
                                 "Proxy-Authorization: ", 21,
                                 ((int (*)(void *, char **))
                                  &osip_authorization_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  pos = 0;
  while (!osip_list_eol (sip->headers, pos))
    {
      osip_header_t *header;
      size_t header_len = 0;

      header = (osip_header_t *) osip_list_get (sip->headers, pos);
      i = osip_header_to_str (header, &tmp);
      if (i == -1)
        {
          osip_free (*dest);
          *dest = NULL;
          return -1;
        }

      header_len = strlen (tmp);

      if (_osip_message_realloc (&message, dest, header_len + 3, &malloc_size) < 0)
        return -1;


      message = osip_str_append (message, tmp);
      osip_free (tmp);
      message = osip_strn_append (message, CRLF, 2);

      pos++;
    }

  i =
    strcat_headers_all_on_one_line (dest, &malloc_size, &message, sip->allows,
                                    "Allow: ", 7,
                                    ((int (*)(void *, char **))
                                     &osip_content_length_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i = strcat_simple_header (dest, &malloc_size, &message,
                            sip->content_type, "Content-Type: ", 14,
                            ((int (*)(void *, char **))
                             &osip_content_type_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_all_on_one_line (dest, &malloc_size, &message,
                                    sip->content_encodings,
                                    "Content-Encoding: ", 18,
                                    ((int (*)(void *, char **))
                                     &osip_content_length_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i = strcat_simple_header (dest, &malloc_size, &message,
                            sip->mime_version, "Mime-Version: ", 14,
                            ((int (*)(void *, char **))
                             &osip_content_length_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_one_per_line (dest, &malloc_size, &message,
                                 sip->call_infos, "Call-Info: ", 11,
                                 ((int (*)(void *, char **))
                                  &osip_call_info_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_one_per_line (dest, &malloc_size, &message,
                                 sip->alert_infos, "Alert-Info: ", 12,
                                 ((int (*)(void *, char **))
                                  &osip_call_info_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_one_per_line (dest, &malloc_size, &message,
                                 sip->error_infos, "Error-Info: ", 12,
                                 ((int (*)(void *, char **))
                                  &osip_call_info_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_all_on_one_line (dest, &malloc_size, &message,
                                    sip->accepts, "Accept: ", 8,
                                    ((int (*)(void *, char **))
                                     &osip_accept_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_all_on_one_line (dest, &malloc_size, &message,
                                    sip->accept_encodings,
                                    "Accept-Encoding: ", 17,
                                    ((int (*)(void *, char **))
                                     &osip_accept_encoding_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_all_on_one_line (dest, &malloc_size, &message,
                                    sip->accept_languages,
                                    "Accept-Language: ", 17,
                                    ((int (*)(void *, char **))
                                     &osip_accept_encoding_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_one_per_line (dest, &malloc_size, &message,
                                 sip->authentication_infos,
                                 "Authentication-Info: ", 21,
                                 ((int (*)(void *, char **))
                                  &osip_authentication_info_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;

  i =
    strcat_headers_one_per_line (dest, &malloc_size, &message,
                                 sip->proxy_authentication_infos,
                                 "Proxy-Authentication-Info: ", 27,
                                 ((int (*)(void *, char **))
                                  &osip_authentication_info_to_str), &next);
  if (i != 0)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }
  message = next;


  /* we have to create the body before adding the contentlength */
  /* add enough lenght for "Content-Length: " */

  if (_osip_message_realloc (&message, dest, 16, &malloc_size) < 0)
    return -1;

  if (sipfrag && osip_list_eol (sip->bodies, 0))
    {
      /* end of headers */
      osip_strncpy (message, CRLF, 2);
      message = message + 2;

      /* same remark as at the beginning of the method */
      sip->message_property = 1;
      sip->message = osip_strdup (*dest);
      sip->message_length = message - *dest;
      if (message_length != NULL)
        *message_length = message - *dest;

      return 0;                 /* it's all done */
    }

  osip_strncpy (message, "Content-Length: ", 16);
  message = message + 16;

  /* SIPit Day1
     ALWAYS RECALCULATE?
     if (sip->contentlength!=NULL)
     {
     i = osip_content_length_to_str(sip->contentlength, &tmp);
     if (i==-1) {
     osip_free(*dest);
     *dest = NULL;
     return -1;
     }
     osip_strncpy(message,tmp,strlen(tmp));
     osip_free(tmp);
     }
     else
     { */
  if (osip_list_eol (sip->bodies, 0))   /* no body */
    message = osip_strn_append (message, "0", 1);
  else
    {
      /* BUG: p130 (rfc2543bis-04)
         "No SP after last token or quoted string"

         In fact, if extra spaces exist: the stack can't be used
         to make user-agent that wants to make authentication...
         This should be changed...
       */

      content_length_to_modify = message;
      message = osip_str_append (message, "     ");
    }
  /*  } */

  message = osip_strn_append (message, CRLF, 2);


  /* end of headers */
  message = osip_strn_append (message, CRLF, 2);

  start_of_bodies = message;
  total_length = start_of_bodies - *dest;

  if (osip_list_eol (sip->bodies, 0))
    {
      /* same remark as at the beginning of the method */
      sip->message_property = 1;
      sip->message = osip_strdup (*dest);
      sip->message_length = total_length;
      if (message_length != NULL)
        *message_length = total_length;

      return 0;                 /* it's all done */
    }

  if (sip->mime_version != NULL && sip->content_type
      && sip->content_type->type
      && !osip_strcasecmp (sip->content_type->type, "multipart"))
    {
      osip_generic_param_t *ct_param = NULL;

      /* find the boundary */
      i = osip_generic_param_get_byname (sip->content_type->gen_params,
                                         "boundary", &ct_param);
      if ((i >= 0) && ct_param && ct_param->gvalue)
        {
          size_t len = strlen (ct_param->gvalue);

          if (len > MIME_MAX_BOUNDARY_LEN)
            {
              osip_free (*dest);
              *dest = NULL;
              return -1;
            }

          boundary = osip_malloc (len + 5);

          osip_strncpy (boundary, CRLF, 2);
          osip_strncpy (boundary + 2, "--", 2);

          if (ct_param->gvalue[0] == '"' && ct_param->gvalue[len - 1] == '"')
            osip_strncpy (boundary + 4, ct_param->gvalue + 1, len - 2);
          else
            osip_strncpy (boundary + 4, ct_param->gvalue, len);
        }
    }

  pos = 0;
  while (!osip_list_eol (sip->bodies, pos))
    {
      osip_body_t *body;
      size_t body_length;

      body = (osip_body_t *) osip_list_get (sip->bodies, pos);

      if (boundary)
        {
          /* Needs at most 77 bytes,
             last realloc allocate at least 100 bytes extra */
          message = osip_str_append (message, boundary);
          message = osip_strn_append (message, CRLF, 2);
        }

      i = osip_body_to_str (body, &tmp, &body_length);
      if (i != 0)
        {
          osip_free (*dest);
          *dest = NULL;
          if (boundary)
            osip_free (boundary);
          return -1;
        }

      if (malloc_size < message - *dest + 100 + body_length)
        {
          size_t size = message - *dest;
          int offset_of_body;
          int offset_content_length_to_modify = 0;

          offset_of_body = (int) (start_of_bodies - *dest);
          if (content_length_to_modify != NULL)
            offset_content_length_to_modify =
              (int) (content_length_to_modify - *dest);
          malloc_size = message - *dest + body_length + 100;
          *dest = osip_realloc (*dest, malloc_size);
          if (*dest == NULL)
            {
              osip_free (tmp);  /* fixed 09/Jun/2005 */
              if (boundary)
                osip_free (boundary);
              return -1;
            }
          start_of_bodies = *dest + offset_of_body;
          if (content_length_to_modify != NULL)
            content_length_to_modify = *dest + offset_content_length_to_modify;
          message = *dest + size;
        }

      memcpy (message, tmp, body_length);
      message[body_length] = '\0';
      osip_free (tmp);
      message = message + body_length;

      pos++;
    }

  if (boundary)
    {
      /* Needs at most 79 bytes,
         last realloc allocate at least 100 bytes extra */
      message = osip_str_append (message, boundary);
      message = osip_strn_append (message, "--", 2);
      message = osip_strn_append (message, CRLF, 2);

      osip_free (boundary);
      boundary = NULL;
    }

  if (content_length_to_modify == NULL)
    {
      osip_free (*dest);
      *dest = NULL;
      return -1;
    }

  /* we NOW have the length of bodies: */
  {
    size_t size = message - start_of_bodies;
    char tmp2[15];

    total_length += size;
    sprintf (tmp2, "%i", size);
    /* do not use osip_strncpy here! */
    strncpy (content_length_to_modify + 5 - strlen (tmp2), tmp2, strlen (tmp2));
  }

  /* same remark as at the beginning of the method */
  sip->message_property = 1;
  sip->message = osip_malloc (total_length + 1);
  if (sip->message != NULL)
    {
      memcpy (sip->message, *dest, total_length);
      sip->message[total_length] = '\0';
      sip->message_length = total_length;
      if (message_length != NULL)
        *message_length = total_length;
    }
  return 0;
}

int
osip_message_to_str (osip_message_t * sip, char **dest, size_t * message_length)
{
  return _osip_message_to_str (sip, dest, message_length, 0);
}

int
osip_message_to_str_sipfrag (osip_message_t * sip, char **dest,
                             size_t * message_length)
{
  return _osip_message_to_str (sip, dest, message_length, 1);
}