static int
strcat_simple_header (char **_string, size_t * malloc_size, char **_message, void *ptr_header, char *header_name, size_t size_of_header, int (*xxx_to_str) (void *, char **), char **next)
{
char *string;
char *message;
char *tmp;
int i;
string = *_string;
message = *_message;
if (ptr_header != NULL) {
if (*malloc_size < message - string + 100 + size_of_header)
/* take some memory avoid to osip_realloc too much often */
{ /* should not happen often */
size_t size = message - string;
*malloc_size = message - string + size_of_header + 100;
string = osip_realloc (string, *malloc_size);
if (string == NULL) {
*_string = NULL;
*_message = NULL;
return OSIP_NOMEM;
}
message = string + size;
}
message = osip_strn_append (message, header_name, size_of_header);
i = xxx_to_str (ptr_header, &tmp);
if (i != 0) {
*_string = string;
*_message = message;
*next = NULL;
return i;
}
if (*malloc_size < message - string + strlen (tmp) + 100) {
size_t size = message - string;
*malloc_size = message - string + strlen (tmp) + 100;
string = osip_realloc (string, *malloc_size);
if (string == NULL) {
*_string = NULL;
*_message = NULL;
return OSIP_NOMEM;
}
message = string + size;
}
message = osip_str_append (message, tmp);
osip_free (tmp);
message = osip_strn_append (message, CRLF, 2);
}
*_string = string;
*_message = message;
*next = message;
return OSIP_SUCCESS;
}
/* returns null on error. */
int
osip_content_type_to_str (const osip_content_type_t * content_type,
char **dest)
{
char *buf;
char *tmp;
size_t len;
*dest = NULL;
if ((content_type == NULL) || (content_type->type == NULL)
|| (content_type->subtype == NULL))
return -1;
/* try to guess a long enough length */
len = strlen (content_type->type) + strlen (content_type->subtype) + 4 /* for '/', ' ', ';' and '\0' */
+ 10 * osip_list_size (content_type->gen_params);
buf = (char *) osip_malloc (len);
tmp = buf;
sprintf (tmp, "%s/%s", content_type->type, content_type->subtype);
tmp = tmp + strlen (tmp);
{
int pos = 0;
osip_generic_param_t *u_param;
if (!osip_list_eol (content_type->gen_params, pos))
{ /* needed for cannonical form! (authentication issue of rfc2543) */
sprintf (tmp, " ");
tmp++;
}
while (!osip_list_eol (content_type->gen_params, pos))
{
size_t tmp_len;
u_param =
(osip_generic_param_t *) osip_list_get (content_type->gen_params,
pos);
if (u_param->gvalue == NULL)
{
osip_free (buf);
return -1;
}
tmp_len = strlen (buf) + 4 + strlen (u_param->gname)
+ strlen (u_param->gvalue);
if (len < tmp_len)
{
buf = osip_realloc (buf, tmp_len);
len = tmp_len;
tmp = buf + strlen (buf);
}
sprintf (tmp, ";%s=%s", u_param->gname, u_param->gvalue);
tmp = tmp + strlen (tmp);
pos++;
}
}
*dest = buf;
return 0;
}
char *strdup_printf(const char *fmt, ...)
{
/* Guess we need no more than 100 bytes. */
int n, size = 100;
char *p;
va_list ap;
if ((p = osip_malloc(size)) == NULL)
return NULL;
while (1) {
/* Try to print in the allocated space. */
va_start(ap, fmt);
#ifdef WIN32
n = _vsnprintf(p, size, fmt, ap);
#else
n = vsnprintf(p, size, fmt, ap);
#endif
va_end(ap);
/* If that worked, return the string. */
if (n > -1 && n < size)
return p;
/* Else try again with more space. */
if (n > -1) /* glibc 2.1 */
size = n + 1; /* precisely what is needed */
else /* glibc 2.0 */
size *= 2; /* twice the old size */
if ((p = osip_realloc(p, size)) == NULL)
return NULL;
}
}
char *
__osip_uri_escape_nonascii_and_nondef (const char *string, const char *def)
{
size_t alloc = strlen (string) + 1;
size_t length;
char *ns = osip_malloc (alloc);
unsigned char in;
size_t newlen = alloc;
int index = 0;
const char *tmp;
int i;
length = alloc - 1;
while (length--)
{
in = *string;
i = 0;
tmp = NULL;
if (osip_is_alphanum (in))
tmp = string;
else
{
for (; def[i] != '\0' && def[i] != in; i++)
{
}
if (def[i] != '\0')
tmp = string;
}
if (tmp == NULL)
{
/* encode it */
newlen += 2; /* the size grows with two, since this'll become a %XX */
if (newlen > alloc)
{
alloc *= 2;
ns = osip_realloc (ns, alloc);
if (!ns)
return NULL;
}
sprintf (&ns[index], "%%%02X", in);
index += 3;
} else
{
/* just copy this */
ns[index++] = in;
}
string++;
}
ns[index] = 0; /* terminate it */
return ns;
}
/* append string_osip_to_append to string at position cur
size is the current allocated size of the element
*/
char *__osip_sdp_append_string(char *string, size_t size, char *cur,
char *string_osip_to_append)
{
size_t length = strlen(string_osip_to_append);
if (cur - string + length > size) {
size_t length2;
length2 = cur - string;
string = osip_realloc(string, size + length + 10);
cur = string + length2; /* the initial allocation may have changed! */
}
osip_strncpy(cur, string_osip_to_append, length);
return cur + strlen(cur);
}
static int
_osip_message_realloc (char **message, char **dest, size_t needed, size_t * malloc_size)
{
size_t size = *message - *dest;
if (*malloc_size < (size_t) (size + needed + 100)) {
*malloc_size = size + needed + 100;
*dest = osip_realloc (*dest, *malloc_size);
if (*dest == NULL)
return OSIP_NOMEM;
*message = *dest + size;
}
return OSIP_SUCCESS;
}
/* returns null on error. */
int
osip_content_type_to_str (const osip_content_type_t * content_type, char **dest)
{
char *buf;
char *tmp;
size_t len;
*dest = NULL;
if ((content_type == NULL) || (content_type->type == NULL)
|| (content_type->subtype == NULL))
return OSIP_BADPARAMETER;
/* try to guess a long enough length */
len = strlen (content_type->type) + strlen (content_type->subtype) + 4 /* for '/', ' ', ';' and '\0' */
+ 10 * osip_list_size (&content_type->gen_params);
buf = (char *) osip_malloc (len);
if (buf == NULL)
return OSIP_NOMEM;
tmp = buf;
sprintf (tmp, "%s/%s", content_type->type, content_type->subtype);
tmp = tmp + strlen (tmp);
{
osip_list_iterator_t it;
osip_generic_param_t *u_param = (osip_generic_param_t*) osip_list_get_first(&content_type->gen_params, &it);
while (u_param != OSIP_SUCCESS) {
size_t tmp_len;
if (u_param->gvalue == NULL) {
osip_free (buf);
return OSIP_SYNTAXERROR;
}
tmp_len = strlen (buf) + 4 + strlen (u_param->gname)
+ strlen (u_param->gvalue) + 1;
if (len < tmp_len) {
buf = osip_realloc (buf, tmp_len);
len = tmp_len;
tmp = buf + strlen (buf);
}
snprintf (tmp, len - (tmp - buf), "; %s=%s", u_param->gname, u_param->gvalue);
tmp = tmp + strlen (tmp);
u_param = (osip_generic_param_t *) osip_list_get_next(&it);
}
}
*dest = buf;
return OSIP_SUCCESS;
}
/* returns null on error. */
int
osip_call_info_to_str (const osip_call_info_t * call_info, char **dest)
{
char *buf;
char *tmp;
size_t len;
size_t plen;
*dest = NULL;
if ((call_info == NULL) || (call_info->element == NULL))
return OSIP_BADPARAMETER;
len = strlen (call_info->element) + 2;
buf = (char *) osip_malloc (len);
if (buf == NULL)
return OSIP_NOMEM;
*dest = buf;
sprintf (buf, "%s", call_info->element);
{
int pos = 0;
osip_generic_param_t *u_param;
while (!osip_list_eol (&call_info->gen_params, pos))
{
u_param =
(osip_generic_param_t *) osip_list_get (&call_info->gen_params, pos);
if (u_param->gvalue == NULL)
plen = strlen (u_param->gname) + 2;
else
plen = strlen (u_param->gname) + strlen (u_param->gvalue) + 3;
len = len + plen;
buf = (char *) osip_realloc (buf, len);
tmp = buf;
tmp = tmp + strlen (tmp);
if (u_param->gvalue == NULL)
sprintf (tmp, ";%s", u_param->gname);
else
sprintf (tmp, ";%s=%s", u_param->gname, u_param->gvalue);
pos++;
}
}
*dest = buf;
return OSIP_SUCCESS;
}
/* returns null on error. */
int
osip_accept_encoding_to_str (const osip_accept_encoding_t * accept_encoding,
char **dest)
{
char *buf;
char *tmp;
size_t len;
*dest = NULL;
if ((accept_encoding == NULL) || (accept_encoding->element == NULL))
return -1;
len = strlen (accept_encoding->element) + 2;
buf = (char *) osip_malloc (len);
if (buf == NULL)
return -1;
sprintf (buf, "%s", accept_encoding->element);
{
int pos = 0;
size_t plen;
osip_generic_param_t *u_param;
while (!osip_list_eol (&accept_encoding->gen_params, pos))
{
u_param =
(osip_generic_param_t *) osip_list_get (&accept_encoding->gen_params,
pos);
if (u_param->gvalue == NULL)
plen = strlen (u_param->gname) + 2;
else
plen = strlen (u_param->gname) + strlen (u_param->gvalue) + 3;
len = len + plen;
buf = (char *) osip_realloc (buf, len);
tmp = buf;
tmp = tmp + strlen (tmp);
if (u_param->gvalue == NULL)
sprintf (tmp, ";%s", u_param->gname);
else
sprintf (tmp, ";%s=%s", u_param->gname, u_param->gvalue);
pos++;
}
}
*dest = buf;
return 0;
}
/* returns null on error. */
int
osip_accept_encoding_to_str (const osip_accept_encoding_t * accept_encoding, char **dest)
{
char *buf;
char *tmp;
size_t len;
*dest = NULL;
if ((accept_encoding == NULL) || (accept_encoding->element == NULL))
return OSIP_BADPARAMETER;
len = strlen (accept_encoding->element) + 2;
buf = (char *) osip_malloc (len);
if (buf == NULL)
return OSIP_NOMEM;
sprintf (buf, "%s", accept_encoding->element);
{
size_t plen;
osip_list_iterator_t it;
osip_generic_param_t *u_param = (osip_generic_param_t*) osip_list_get_first(&accept_encoding->gen_params, &it);
while (u_param != OSIP_SUCCESS) {
if (u_param->gvalue == NULL)
plen = strlen (u_param->gname) + 2;
else
plen = strlen (u_param->gname) + strlen (u_param->gvalue) + 3;
len = len + plen;
buf = (char *) osip_realloc (buf, len);
tmp = buf;
tmp = tmp + strlen (tmp);
if (u_param->gvalue == NULL)
snprintf (tmp, len - (tmp - buf), ";%s", u_param->gname);
else
snprintf (tmp, len - (tmp - buf), ";%s=%s", u_param->gname, u_param->gvalue);
u_param = (osip_generic_param_t *) osip_list_get_next(&it);
}
}
*dest = buf;
return OSIP_SUCCESS;
}
static int
strcat_headers_all_on_one_line (char **_string, size_t * malloc_size, char **_message, osip_list_t * headers, char *header, size_t size_of_header, int (*xxx_to_str) (void *, char **), char **next)
{
char *string;
char *message;
char *tmp;
int pos = 0;
int i;
string = *_string;
message = *_message;
pos = 0;
while (!osip_list_eol (headers, pos)) {
if (*malloc_size < message - string + 100 + size_of_header)
/* take some memory avoid to osip_realloc too much often */
{ /* should not happen often */
size_t size = message - string;
*malloc_size = message - string + size_of_header + 100;
string = osip_realloc (string, *malloc_size);
if (string == NULL) {
*_string = NULL;
*_message = NULL;
return OSIP_NOMEM;
}
message = string + size;
}
message = osip_strn_append (message, header, size_of_header);
while (!osip_list_eol (headers, pos)) {
void *elt;
elt = (void *) osip_list_get (headers, pos);
i = xxx_to_str (elt, &tmp);
if (i != 0) {
*_string = string;
*_message = message;
*next = NULL;
return i;
}
if (*malloc_size < message - string + strlen (tmp) + 100) {
size_t size = message - string;
*malloc_size = message - string + (int) strlen (tmp) + 100;
string = osip_realloc (string, *malloc_size);
if (string == NULL) {
*_string = NULL;
*_message = NULL;
return OSIP_NOMEM;
}
message = string + size;
}
message = osip_str_append (message, tmp);
osip_free (tmp);
pos++;
if (!osip_list_eol (headers, pos)) {
message = osip_strn_append (message, ", ", 2);
}
}
message = osip_strn_append (message, CRLF, 2);
}
*_string = string;
*_message = message;
*next = message;
return OSIP_SUCCESS;
}
/* returns null on error. */
int
osip_via_to_str (const osip_via_t * via, char **dest)
{
char *buf;
size_t len;
size_t plen;
char *tmp;
*dest = NULL;
if ((via == NULL) || (via->host == NULL)
|| (via->version == NULL) || (via->protocol == NULL))
return -1;
len = strlen (via->version) + 1 + strlen (via->protocol) + 1 + 3 + 2; /* sip/xxx/xxx */
len = len + strlen (via->host) + 3 + 1;
if (via->port != NULL)
len = len + strlen (via->port) + 2;
buf = (char *) osip_malloc (len);
if (buf == NULL)
return -1;
if (strchr (via->host, ':') != NULL)
{
if (via->port == NULL)
sprintf (buf, "SIP/%s/%s [%s]", via->version, via->protocol, via->host);
else
sprintf (buf, "SIP/%s/%s [%s]:%s", via->version, via->protocol,
via->host, via->port);
} else
{
if (via->port == NULL)
sprintf (buf, "SIP/%s/%s %s", via->version, via->protocol, via->host);
else
sprintf (buf, "SIP/%s/%s %s:%s", via->version, via->protocol,
via->host, via->port);
}
{
int pos = 0;
osip_generic_param_t *u_param;
while (!osip_list_eol (&via->via_params, pos))
{
u_param = (osip_generic_param_t *) osip_list_get (&via->via_params, pos);
if (u_param->gvalue == NULL)
plen = strlen (u_param->gname) + 2;
else
plen = strlen (u_param->gname) + strlen (u_param->gvalue) + 3;
len = len + plen;
buf = (char *) osip_realloc (buf, len);
tmp = buf;
tmp = tmp + strlen (tmp);
if (u_param->gvalue == NULL)
sprintf (tmp, ";%s", u_param->gname);
else
sprintf (tmp, ";%s=%s", u_param->gname, u_param->gvalue);
pos++;
}
}
if (via->comment != NULL)
{
len = len + strlen (via->comment) + 4;
buf = (char *) osip_realloc (buf, len);
tmp = buf;
tmp = tmp + strlen (tmp);
sprintf (tmp, " (%s)", via->comment);
}
*dest = buf;
return 0;
}
/* returns null on error. */
int
osip_body_to_str (const osip_body_t * body, char **dest, size_t *str_length)
{
char *tmp_body;
char *tmp;
char *ptr;
int pos;
int i;
size_t length;
*dest = NULL;
*str_length = 0;
if (body == NULL)
return -1;
if (body->body == NULL)
return -1;
if (body->headers == NULL)
return -1;
if (body->length <= 0)
return -1;
length = body->length + (osip_list_size (body->headers) * 40);
tmp_body = (char *) osip_malloc (length);
if (tmp_body == NULL)
return -1;
ptr = tmp_body; /* save the initial address of the string */
if (body->content_type != NULL)
{
osip_strncpy (tmp_body, "content-type: ", 14);
tmp_body = tmp_body + strlen (tmp_body);
i = osip_content_type_to_str (body->content_type, &tmp);
if (i == -1)
{
osip_free (ptr);
return -1;
}
if (length < tmp_body - ptr + strlen (tmp) + 4)
{
size_t len;
len = tmp_body - ptr;
length = length + strlen (tmp) + 4;
ptr = osip_realloc (ptr, length);
tmp_body = ptr + len;
}
osip_strncpy (tmp_body, tmp, strlen (tmp));
osip_free (tmp);
tmp_body = tmp_body + strlen (tmp_body);
osip_strncpy (tmp_body, CRLF, 2);
tmp_body = tmp_body + 2;
}
pos = 0;
while (!osip_list_eol (body->headers, pos))
{
osip_header_t *header;
header = (osip_header_t *) osip_list_get (body->headers, pos);
i = osip_header_to_str (header, &tmp);
if (i == -1)
{
osip_free (ptr);
return -1;
}
if (length < tmp_body - ptr + strlen (tmp) + 4)
{
size_t len;
len = tmp_body - ptr;
length = length + strlen (tmp) + 4;
ptr = osip_realloc (ptr, length);
tmp_body = ptr + len;
}
osip_strncpy (tmp_body, tmp, strlen (tmp));
osip_free (tmp);
tmp_body = tmp_body + strlen (tmp_body);
osip_strncpy (tmp_body, CRLF, 2);
tmp_body = tmp_body + 2;
pos++;
}
if ((osip_list_size (body->headers) > 0) || (body->content_type != NULL))
{
osip_strncpy (tmp_body, CRLF, 2);
tmp_body = tmp_body + 2;
}
if (length < tmp_body - ptr + body->length + 4)
{
size_t len;
len = tmp_body - ptr;
length = length + body->length + 4;
ptr = osip_realloc (ptr, length);
tmp_body = ptr + len;
}
memcpy(tmp_body,body->body,body->length);
tmp_body = tmp_body + body->length;
/* end of this body */
if (str_length!=NULL)
*str_length = tmp_body - ptr;
*dest = ptr;
return 0;
}
/* returns -1 on error. */
int osip_record_route_to_str(const osip_record_route_t * record_route, char **dest)
{
char *url;
char *buf;
int i;
size_t len;
*dest = NULL;
if ((record_route == NULL) || (record_route->url == NULL))
return OSIP_BADPARAMETER;
i = osip_uri_to_str(record_route->url, &url);
if (i != 0)
return i;
if (record_route->displayname == NULL)
len = strlen(url) + 5;
else
len = strlen(url) + strlen(record_route->displayname) + 5;
buf = (char *) osip_malloc(len);
if (buf == NULL) {
osip_free(url);
return OSIP_NOMEM;
}
/* route and record-route always use brackets */
if (record_route->displayname != NULL)
sprintf(buf, "%s <%s>", record_route->displayname, url);
else
sprintf(buf, "<%s>", url);
osip_free(url);
{
int pos = 0;
osip_generic_param_t *u_param;
size_t plen;
char *tmp;
while (!osip_list_eol(&record_route->gen_params, pos)) {
u_param =
(osip_generic_param_t *) osip_list_get(&record_route->gen_params,
pos);
if (u_param->gvalue == NULL)
plen = strlen(u_param->gname) + 2;
else
plen = strlen(u_param->gname) + strlen(u_param->gvalue) + 3;
len = len + plen;
buf = (char *) osip_realloc(buf, len);
tmp = buf;
tmp = tmp + strlen(tmp);
if (u_param->gvalue == NULL)
sprintf(tmp, ";%s", u_param->gname);
else
sprintf(tmp, ";%s=%s", u_param->gname, u_param->gvalue);
pos++;
}
}
*dest = buf;
return OSIP_SUCCESS;
}
int
osip_uri_to_str (const osip_uri_t * url, char **dest)
{
char *buf;
size_t len;
size_t plen;
char *tmp;
const char *scheme;
*dest = NULL;
if (url == NULL)
return -1;
if (url->host == NULL && url->string == NULL)
return -1;
if (url->scheme == NULL && url->string != NULL)
return -1;
if (url->string == NULL && url->scheme == NULL)
scheme = "sip"; /* default is sipurl */
else
scheme = url->scheme;
if (url->string != NULL)
{
buf = (char *) osip_malloc (strlen (scheme) + strlen (url->string) + 3);
if (buf == NULL)
return -1;
*dest = buf;
sprintf (buf, "%s:", scheme);
buf = buf + strlen (scheme) + 1;
sprintf (buf, "%s", url->string);
buf = buf + strlen (url->string);
return 0;
}
len = strlen (scheme) + 1 + strlen (url->host) + 5;
if (url->username != NULL)
len = len + (strlen (url->username) * 3) + 1; /* count escaped char */
if (url->password != NULL)
len = len + (strlen (url->password) * 3) + 1;
if (url->port != NULL)
len = len + strlen (url->port) + 3;
buf = (char *) osip_malloc (len);
if (buf == NULL)
return -1;
tmp = buf;
sprintf (tmp, "%s:", scheme);
tmp = tmp + strlen (tmp);
if (url->username != NULL)
{
char *tmp2 = __osip_uri_escape_userinfo (url->username);
sprintf (tmp, "%s", tmp2);
osip_free (tmp2);
tmp = tmp + strlen (tmp);
}
if ((url->password != NULL) && (url->username != NULL))
{ /* be sure that when a password is given, a username is also given */
char *tmp2 = __osip_uri_escape_password (url->password);
sprintf (tmp, ":%s", tmp2);
osip_free (tmp2);
tmp = tmp + strlen (tmp);
}
if (url->username != NULL)
{ /* we add a '@' only when username is present... */
sprintf (tmp, "@");
tmp++;
}
if (strchr (url->host, ':') != NULL)
{
sprintf (tmp, "[%s]", url->host);
tmp = tmp + strlen (tmp);
} else
{
sprintf (tmp, "%s", url->host);
tmp = tmp + strlen (tmp);
}
if (url->port != NULL)
{
sprintf (tmp, ":%s", url->port);
tmp = tmp + strlen (tmp);
}
{
int pos = 0;
osip_uri_param_t *u_param;
while (!osip_list_eol (&url->url_params, pos))
{
char *tmp1;
char *tmp2 = NULL;
u_param = (osip_uri_param_t *) osip_list_get (&url->url_params, pos);
tmp1 = __osip_uri_escape_uri_param (u_param->gname);
if (u_param->gvalue == NULL)
plen = strlen (tmp1) + 2;
else
{
tmp2 = __osip_uri_escape_uri_param (u_param->gvalue);
plen = strlen (tmp1) + strlen (tmp2) + 3;
}
len = len + plen;
buf = (char *) osip_realloc (buf, len);
tmp = buf;
tmp = tmp + strlen (tmp);
if (u_param->gvalue == NULL)
sprintf (tmp, ";%s", tmp1);
else
{
sprintf (tmp, ";%s=%s", tmp1, tmp2);
osip_free (tmp2);
}
osip_free (tmp1);
pos++;
}
}
{
int pos = 0;
osip_uri_header_t *u_header;
while (!osip_list_eol (&url->url_headers, pos))
{
char *tmp1;
char *tmp2;
u_header = (osip_uri_header_t *) osip_list_get (&url->url_headers, pos);
tmp1 = __osip_uri_escape_header_param (u_header->gname);
if (tmp1 == NULL)
{
osip_free (buf);
return -1;
}
tmp2 = __osip_uri_escape_header_param (u_header->gvalue);
if (tmp2 == NULL)
{
osip_free (tmp1);
osip_free (buf);
return -1;
}
plen = strlen (tmp1) + strlen (tmp2) + 4;
len = len + plen;
buf = (char *) osip_realloc (buf, len);
tmp = buf;
tmp = tmp + strlen (tmp);
if (pos == 0)
sprintf (tmp, "?%s=%s", tmp1, tmp2);
else
sprintf (tmp, "&%s=%s", tmp1, tmp2);
osip_free (tmp1);
osip_free (tmp2);
pos++;
}
}
*dest = buf;
return 0;
}
/* returns -1 on error. */
int
osip_from_to_str (const osip_from_t * from, char **dest)
{
char *url;
char *buf;
int i;
size_t len;
*dest = NULL;
if ((from == NULL) || (from->url == NULL))
return -1;
i = osip_uri_to_str (from->url, &url);
if (i != 0)
return -1;
if (from->displayname == NULL)
len = strlen (url) + 5;
else
len = strlen (url) + strlen (from->displayname) + 5;
buf = (char *) osip_malloc (len);
if (buf == NULL)
{
osip_free (url);
return -1;
}
if (from->displayname != NULL)
sprintf (buf, "%s <%s>", from->displayname, url);
else
/* from rfc2543bis-04: for authentication related issue!
"The To and From header fields always include the < and >
delimiters even if the display-name is empty." */
sprintf (buf, "<%s>", url);
osip_free (url);
{
int pos = 0;
osip_generic_param_t *u_param;
size_t plen;
char *tmp;
while (!osip_list_eol (&from->gen_params, pos))
{
u_param = (osip_generic_param_t *) osip_list_get (&from->gen_params, pos);
if (u_param->gvalue == NULL)
plen = strlen (u_param->gname) + 2;
else
plen = strlen (u_param->gname) + strlen (u_param->gvalue) + 3;
len = len + plen;
buf = (char *) osip_realloc (buf, len);
tmp = buf;
tmp = tmp + strlen (tmp);
if (u_param->gvalue == NULL)
sprintf (tmp, ";%s", u_param->gname);
else
sprintf (tmp, ";%s=%s", u_param->gname, u_param->gvalue);
pos++;
}
}
*dest = buf;
return 0;
}
static int
_osip_message_to_str (osip_message_t * sip, char **dest,
size_t * message_length, int sipfrag)
{
size_t malloc_size;
size_t total_length = 0;
/* Added at SIPit day1 */
char *start_of_bodies;
char *content_length_to_modify = NULL;
char *message;
char *next;
char *tmp;
int pos;
int i;
char *boundary = NULL;
malloc_size = SIP_MESSAGE_MAX_LENGTH;
*dest = NULL;
if ((sip == NULL))
return -1;
{
if (1 == osip_message_get__property (sip))
{ /* message is already available in "message" */
*dest = osip_malloc (sip->message_length + 1);
if (*dest == NULL)
return -1;
memcpy (*dest, sip->message, sip->message_length);
(*dest)[sip->message_length] = '\0';
if (message_length != NULL)
*message_length = sip->message_length;
return 0;
} else
{
/* message should be rebuilt: delete the old one if exists. */
osip_free (sip->message);
sip->message = NULL;
}
}
message = (char *) osip_malloc (SIP_MESSAGE_MAX_LENGTH); /* ???? message could be > 4000 */
if (message == NULL)
return -1;
*dest = message;
/* add the first line of message */
i = __osip_message_startline_to_str (sip, &tmp);
if (i == -1)
{
if (!sipfrag)
{
osip_free (*dest);
*dest = NULL;
return -1;
}
/* A start-line isn't required for message/sipfrag parts. */
} else
{
message = osip_str_append (message, tmp);
osip_free (tmp);
message = osip_strn_append (message, CRLF, 2);
}
i =
strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->vias,
"Via: ", 5,
((int (*)(void *, char **))
&osip_via_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->record_routes, "Record-Route: ", 14,
((int (*)(void *, char **))
&osip_record_route_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->routes,
"Route: ", 7,
((int (*)(void *, char **))
&osip_route_to_str), &next);
if (i != 0)
{
osip_free (*dest);
*dest = NULL;
return -1;
}
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)
{
osip_free (tmp);
*dest = NULL;
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;
}
static int
_osip_message_to_str (osip_message_t * sip, char **dest, size_t * message_length, int sipfrag)
{
size_t malloc_size;
size_t total_length = 0;
/* Added at SIPit day1 */
char *start_of_bodies;
char *content_length_to_modify = NULL;
char *message;
char *next;
char *tmp;
int pos;
int i;
char *boundary = NULL;
malloc_size = SIP_MESSAGE_MAX_LENGTH;
*dest = NULL;
if (sip == NULL)
return OSIP_BADPARAMETER;
{
if (1 == osip_message_get__property (sip)) { /* message is already available in "message" */
*dest = osip_malloc (sip->message_length + 1);
if (*dest == NULL)
return OSIP_NOMEM;
memcpy (*dest, sip->message, sip->message_length);
(*dest)[sip->message_length] = '\0';
if (message_length != NULL)
*message_length = sip->message_length;
return OSIP_SUCCESS;
}
else {
/* message should be rebuilt: delete the old one if exists. */
osip_free (sip->message);
sip->message = NULL;
}
}
message = (char *) osip_malloc (SIP_MESSAGE_MAX_LENGTH); /* ???? message could be > 4000 */
if (message == NULL)
return OSIP_NOMEM;
*dest = message;
/* add the first line of message */
i = __osip_message_startline_to_str (sip, &tmp);
if (i != 0) {
if (!sipfrag) {
osip_free (*dest);
*dest = NULL;
return i;
}
/* A start-line isn't required for message/sipfrag parts. */
}
else {
message = osip_str_append (message, tmp);
osip_free (tmp);
message = osip_strn_append (message, CRLF, 2);
}
{
struct to_str_table {
char header_name[30];
int header_length;
osip_list_t *header_list;
void *header_data;
int (*to_str) (void *, char **);
}
#ifndef MINISIZE
table[25] =
#else
table[15] =
#endif
{
{
"Via: ", 5, NULL, NULL, (int (*)(void *, char **)) &osip_via_to_str}, {
"Record-Route: ", 14, NULL, NULL, (int (*)(void *, char **)) &osip_record_route_to_str}, {
"Route: ", 7, NULL, NULL, (int (*)(void *, char **)) &osip_route_to_str}, {
"From: ", 6, NULL, NULL, (int (*)(void *, char **)) &osip_from_to_str}, {
"To: ", 4, NULL, NULL, (int (*)(void *, char **)) &osip_to_to_str}, {
"Call-ID: ", 9, NULL, NULL, (int (*)(void *, char **)) &osip_call_id_to_str}, {
"CSeq: ", 6, NULL, NULL, (int (*)(void *, char **)) &osip_cseq_to_str}, {
"Contact: ", 9, NULL, NULL, (int (*)(void *, char **)) &osip_contact_to_str}, {
"Authorization: ", 15, NULL, NULL, (int (*)(void *, char **)) &osip_authorization_to_str}, {
"WWW-Authenticate: ", 18, NULL, NULL, (int (*)(void *, char **)) &osip_www_authenticate_to_str}, {
"Proxy-Authenticate: ", 20, NULL, NULL, (int (*)(void *, char **)) &osip_www_authenticate_to_str}, {
"Proxy-Authorization: ", 21, NULL, NULL, (int (*)(void *, char **)) &osip_authorization_to_str}, {
"Content-Type: ", 14, NULL, NULL, (int (*)(void *, char **)) &osip_content_type_to_str}, {
"Mime-Version: ", 14, NULL, NULL, (int (*)(void *, char **)) &osip_content_length_to_str},
#ifndef MINISIZE
{
"Allow: ", 7, NULL, NULL, (int (*)(void *, char **)) &osip_allow_to_str}, {
"Content-Encoding: ", 18, NULL, NULL, (int (*)(void *, char **)) &osip_content_encoding_to_str}, {
"Call-Info: ", 11, NULL, NULL, (int (*)(void *, char **)) &osip_call_info_to_str}, {
"Alert-Info: ", 12, NULL, NULL, (int (*)(void *, char **)) &osip_call_info_to_str}, {
"Error-Info: ", 12, NULL, NULL, (int (*)(void *, char **)) &osip_call_info_to_str}, {
"Accept: ", 8, NULL, NULL, (int (*)(void *, char **)) &osip_accept_to_str}, {
"Accept-Encoding: ", 17, NULL, NULL, (int (*)(void *, char **)) &osip_accept_encoding_to_str}, {
"Accept-Language: ", 17, NULL, NULL, (int (*)(void *, char **)) &osip_accept_language_to_str}, {
"Authentication-Info: ", 21, NULL, NULL, (int (*)(void *, char **)) &osip_authentication_info_to_str}, {
"Proxy-Authentication-Info: ", 27, NULL, NULL, (int (*)(void *, char **)) &osip_authentication_info_to_str},
#endif
{ {
'\0'}, 0, NULL, NULL, NULL}
};
/* BEGIN: Added by l00183184, 2013/8/5 PN:DTS2013071906746 alg升级 */
/* 判断list是否需要强制分为多行写 */
#ifndef MINISIZE
char MultiLine[25] = {1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
0, 0, 1, 1, 1, 0, 0, 0, 0, 0};
#else
char MultiLine[15] = {1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0};
#endif
/* END: Added by l00183184, 2013/8/5 PN:DTS2013071906746 alg升级 */
table[0].header_list = &sip->vias;
table[1].header_list = &sip->record_routes;
table[2].header_list = &sip->routes;
table[3].header_data = sip->from;
table[4].header_data = sip->to;
table[5].header_data = sip->call_id;
table[6].header_data = sip->cseq;
table[7].header_list = &sip->contacts;
table[8].header_list = &sip->authorizations;
table[9].header_list = &sip->www_authenticates;
table[10].header_list = &sip->proxy_authenticates;
table[11].header_list = &sip->proxy_authorizations;
table[12].header_data = sip->content_type;
table[13].header_data = sip->mime_version;
#ifndef MINISIZE
table[14].header_list = &sip->allows;
table[15].header_list = &sip->content_encodings;
table[16].header_list = &sip->call_infos;
table[17].header_list = &sip->alert_infos;
table[18].header_list = &sip->error_infos;
table[19].header_list = &sip->accepts;
table[20].header_list = &sip->accept_encodings;
table[21].header_list = &sip->accept_languages;
table[22].header_list = &sip->authentication_infos;
table[23].header_list = &sip->proxy_authentication_infos;
#endif
pos = 0;
while (table[pos].header_name[0] != '\0') {
if (table[13].header_list == NULL)
i = strcat_simple_header (dest, &malloc_size, &message, table[pos].header_data, table[pos].header_name, table[pos].header_length, ((int (*)(void *, char **))
table[pos].to_str), &next);
/* BEGIN: Modified by l00183184, 2013/8/5 PN:DTS2013071906746 alg升级 */
/* 只有对应的routes等这几个头域的list分行写，其他的list合在一行 */
/* 根据Rfc3261：
Multiple header field rows with the same field-name MAY be present in
a message if and only if the entire field-value for that header field
is defined as a comma-separated list (that is, if follows the grammar
defined in Section 7.3).*/
if (1 == MultiLine[pos])
{
i = strcat_headers_one_per_line (dest, &malloc_size, &message, table[pos].header_list, table[pos].header_name, table[pos].header_length, ((int (*)(void *, char **))
table[pos].to_str), &next);
}
else
{
i = strcat_headers_all_on_one_line (dest, &malloc_size, &message, table[pos].header_list, table[pos].header_name, table[pos].header_length, ((int (*)(void *, char **))
table[pos].to_str), &next);
}
/* END: Modified by l00183184, 2013/8/5 PN:DTS2013071906746 alg升级 */
if (i != 0) {
osip_free (*dest);
*dest = NULL;
return i;
}
message = next;
pos++;
}
}
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 != 0) {
osip_free (*dest);
*dest = NULL;
return i;
}
header_len = strlen (tmp);
if (_osip_message_realloc (&message, dest, header_len + 3, &malloc_size) < 0) {
osip_free (tmp);
*dest = NULL;
return OSIP_NOMEM;
}
message = osip_str_append (message, tmp);
osip_free (tmp);
message = osip_strn_append (message, CRLF, 2);
pos++;
}
/* 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 OSIP_NOMEM;
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 OSIP_SUCCESS; /* 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!=0) {
osip_free(*dest);
*dest = NULL;
return i;
}
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 OSIP_SUCCESS; /* 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 OSIP_SYNTAXERROR;
}
boundary = osip_malloc (len + 5);
if (boundary == NULL) {
osip_free (*dest);
*dest = NULL;
return OSIP_NOMEM;
}
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 i;
}
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 OSIP_NOMEM;
}
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 OSIP_SYNTAXERROR;
}
/* we NOW have the length of bodies: */
{
size_t size = message - start_of_bodies;
char tmp2[15];
total_length += size;
snprintf (tmp2, 15, "%i", (int) 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 OSIP_SUCCESS;
}
/* returns null on error. */
int
osip_accept_to_str (const osip_accept_t * accept, char **dest)
{
char *buf;
char *tmp;
size_t len;
*dest = NULL;
if (accept == NULL)
return -1;
if ((accept->type == NULL) && (accept->subtype == NULL))
{
/* Empty header ! */
buf = (char *) osip_malloc (2);
buf[0] = ' ';
buf[1] = '\0';
*dest = buf;
return 0;
}
/* try to guess a long enough length */
len = strlen (accept->type) + strlen (accept->subtype) + 4 /* for '/', ' ', ';' and '\0' */
+ 10 * osip_list_size (accept->gen_params);
buf = (char *) osip_malloc (len);
tmp = buf;
sprintf (tmp, "%s/%s", accept->type, accept->subtype);
tmp = tmp + strlen (tmp);
{
int pos = 0;
osip_generic_param_t *u_param;
#if 0
if (!osip_list_eol (accept->gen_params, pos))
{ /* needed for cannonical form! (authentication issue of rfc2543) */
sprintf (tmp, " ");
tmp++;
}
#endif
while (!osip_list_eol (accept->gen_params, pos))
{
size_t tmp_len;
u_param = (osip_generic_param_t *) osip_list_get (accept->gen_params, pos);
if (u_param->gvalue == NULL)
{
osip_free (buf);
return -1;
}
tmp_len = strlen (buf) + 4 + strlen (u_param->gname)
+ strlen (u_param->gvalue) + 1;
if (len < tmp_len)
{
buf = osip_realloc (buf, tmp_len);
len = tmp_len;
tmp = buf + strlen (buf);
}
sprintf (tmp, "; %s=%s", u_param->gname, u_param->gvalue);
tmp = tmp + strlen (tmp);
pos++;
}
}
*dest = buf;
return 0;
}
