static CURLcode dupset(struct Curl_easy *dst, struct Curl_easy *src)
{
CURLcode result = CURLE_OK;
enum dupstring i;
/* Copy src->set into dst->set first, then deal with the strings
afterwards */
dst->set = src->set;
/* clear all string pointers first */
memset(dst->set.str, 0, STRING_LAST * sizeof(char *));
/* duplicate all strings */
for(i = (enum dupstring)0; i< STRING_LASTZEROTERMINATED; i++) {
result = Curl_setstropt(&dst->set.str[i], src->set.str[i]);
if(result)
return result;
}
/* duplicate memory areas pointed to */
i = STRING_COPYPOSTFIELDS;
if(src->set.postfieldsize && src->set.str[i]) {
/* postfieldsize is curl_off_t, Curl_memdup() takes a size_t ... */
dst->set.str[i] = Curl_memdup(src->set.str[i],
curlx_sotouz(src->set.postfieldsize));
if(!dst->set.str[i])
return CURLE_OUT_OF_MEMORY;
/* point to the new copy */
dst->set.postfields = dst->set.str[i];
}
return CURLE_OK;
}
/*
* Curl_sasl_decode_digest_http_message()
*
* This is used to decode a HTTP DIGEST challenge message into the seperate
* attributes.
*
* Parameters:
*
* chlg [in] - The challenge message.
* digest [in/out] - The digest data struct being used and modified.
*
* Returns CURLE_OK on success.
*/
CURLcode Curl_sasl_decode_digest_http_message(const char *chlg,
struct digestdata *digest)
{
size_t chlglen = strlen(chlg);
/* We had an input token before and we got another one now. This means we
provided bad credentials in the previous request. */
if(digest->input_token)
return CURLE_BAD_CONTENT_ENCODING;
/* Simply store the challenge for use later */
digest->input_token = (BYTE *) Curl_memdup(chlg, chlglen);
if(!digest->input_token)
return CURLE_OUT_OF_MEMORY;
digest->input_token_len = chlglen;
return CURLE_OK;
}
static
CURLFORMcode FormAdd(struct curl_httppost **httppost,
struct curl_httppost **last_post,
va_list params)
{
FormInfo *first_form, *current_form, *form = NULL;
CURLFORMcode return_value = CURL_FORMADD_OK;
const char *prevtype = NULL;
struct curl_httppost *post = NULL;
CURLformoption option;
struct curl_forms *forms = NULL;
char *array_value=NULL; /* value read from an array */
/* This is a state variable, that if TRUE means that we're parsing an
array that we got passed to us. If FALSE we're parsing the input
va_list arguments. */
bool array_state = FALSE;
/*
* We need to allocate the first struct to fill in.
*/
first_form = calloc(1, sizeof(struct FormInfo));
if(!first_form)
return CURL_FORMADD_MEMORY;
current_form = first_form;
/*
* Loop through all the options set. Break if we have an error to report.
*/
while(return_value == CURL_FORMADD_OK) {
/* first see if we have more parts of the array param */
if(array_state && forms) {
/* get the upcoming option from the given array */
option = forms->option;
array_value = (char *)forms->value;
forms++; /* advance this to next entry */
if(CURLFORM_END == option) {
/* end of array state */
array_state = FALSE;
continue;
}
}
else {
/* This is not array-state, get next option */
option = va_arg(params, CURLformoption);
if(CURLFORM_END == option)
break;
}
switch (option) {
case CURLFORM_ARRAY:
if(array_state)
/* we don't support an array from within an array */
return_value = CURL_FORMADD_ILLEGAL_ARRAY;
else {
forms = va_arg(params, struct curl_forms *);
if(forms)
array_state = TRUE;
else
return_value = CURL_FORMADD_NULL;
}
break;
/*
* Set the Name property.
*/
case CURLFORM_PTRNAME:
#ifdef CURL_DOES_CONVERSIONS
/* Treat CURLFORM_PTR like CURLFORM_COPYNAME so that libcurl will copy
* the data in all cases so that we'll have safe memory for the eventual
* conversion.
*/
#else
current_form->flags |= HTTPPOST_PTRNAME; /* fall through */
#endif
case CURLFORM_COPYNAME:
if(current_form->name)
return_value = CURL_FORMADD_OPTION_TWICE;
else {
char *name = array_state?
array_value:va_arg(params, char *);
if(name)
current_form->name = name; /* store for the moment */
else
return_value = CURL_FORMADD_NULL;
}
break;
case CURLFORM_NAMELENGTH:
if(current_form->namelength)
return_value = CURL_FORMADD_OPTION_TWICE;
else
current_form->namelength =
array_state?(size_t)array_value:(size_t)va_arg(params, long);
break;
/*
* Set the contents property.
*/
case CURLFORM_PTRCONTENTS:
current_form->flags |= HTTPPOST_PTRCONTENTS; /* fall through */
case CURLFORM_COPYCONTENTS:
if(current_form->value)
return_value = CURL_FORMADD_OPTION_TWICE;
else {
char *value =
array_state?array_value:va_arg(params, char *);
if(value)
current_form->value = value; /* store for the moment */
else
return_value = CURL_FORMADD_NULL;
}
break;
case CURLFORM_CONTENTSLENGTH:
current_form->contentslength =
array_state?(size_t)array_value:(size_t)va_arg(params, long);
break;
case CURLFORM_CONTENTLEN:
current_form->flags |= CURL_HTTPPOST_LARGE;
current_form->contentslength =
array_state?(curl_off_t)(size_t)array_value:va_arg(params, curl_off_t);
break;
/* Get contents from a given file name */
case CURLFORM_FILECONTENT:
if(current_form->flags & (HTTPPOST_PTRCONTENTS|HTTPPOST_READFILE))
return_value = CURL_FORMADD_OPTION_TWICE;
else {
const char *filename = array_state?
array_value:va_arg(params, char *);
if(filename) {
current_form->value = strdup(filename);
if(!current_form->value)
return_value = CURL_FORMADD_MEMORY;
else {
current_form->flags |= HTTPPOST_READFILE;
current_form->value_alloc = TRUE;
}
}
else
return_value = CURL_FORMADD_NULL;
}
break;
/* We upload a file */
case CURLFORM_FILE:
{
const char *filename = array_state?array_value:
va_arg(params, char *);
if(current_form->value) {
if(current_form->flags & HTTPPOST_FILENAME) {
if(filename) {
char *fname = strdup(filename);
if(!fname)
return_value = CURL_FORMADD_MEMORY;
else {
form = AddFormInfo(fname, NULL, current_form);
if(!form) {
free(fname);
return_value = CURL_FORMADD_MEMORY;
}
else {
form->value_alloc = TRUE;
current_form = form;
form = NULL;
}
}
}
else
return_value = CURL_FORMADD_NULL;
}
else
return_value = CURL_FORMADD_OPTION_TWICE;
}
else {
if(filename) {
current_form->value = strdup(filename);
if(!current_form->value)
return_value = CURL_FORMADD_MEMORY;
else {
current_form->flags |= HTTPPOST_FILENAME;
current_form->value_alloc = TRUE;
}
}
else
return_value = CURL_FORMADD_NULL;
}
break;
}
case CURLFORM_BUFFERPTR:
current_form->flags |= HTTPPOST_PTRBUFFER|HTTPPOST_BUFFER;
if(current_form->buffer)
return_value = CURL_FORMADD_OPTION_TWICE;
else {
char *buffer =
array_state?array_value:va_arg(params, char *);
if(buffer) {
current_form->buffer = buffer; /* store for the moment */
current_form->value = buffer; /* make it non-NULL to be accepted
as fine */
}
else
return_value = CURL_FORMADD_NULL;
}
break;
case CURLFORM_BUFFERLENGTH:
if(current_form->bufferlength)
return_value = CURL_FORMADD_OPTION_TWICE;
else
current_form->bufferlength =
array_state?(size_t)array_value:(size_t)va_arg(params, long);
break;
case CURLFORM_STREAM:
current_form->flags |= HTTPPOST_CALLBACK;
if(current_form->userp)
return_value = CURL_FORMADD_OPTION_TWICE;
else {
char *userp =
array_state?array_value:va_arg(params, char *);
if(userp) {
current_form->userp = userp;
current_form->value = userp; /* this isn't strictly true but we
derive a value from this later on
and we need this non-NULL to be
accepted as a fine form part */
}
else
return_value = CURL_FORMADD_NULL;
}
break;
case CURLFORM_CONTENTTYPE:
{
const char *contenttype =
array_state?array_value:va_arg(params, char *);
if(current_form->contenttype) {
if(current_form->flags & HTTPPOST_FILENAME) {
if(contenttype) {
char *type = strdup(contenttype);
if(!type)
return_value = CURL_FORMADD_MEMORY;
else {
form = AddFormInfo(NULL, type, current_form);
if(!form) {
free(type);
return_value = CURL_FORMADD_MEMORY;
}
else {
form->contenttype_alloc = TRUE;
current_form = form;
form = NULL;
}
}
}
else
return_value = CURL_FORMADD_NULL;
}
else
return_value = CURL_FORMADD_OPTION_TWICE;
}
else {
if(contenttype) {
current_form->contenttype = strdup(contenttype);
if(!current_form->contenttype)
return_value = CURL_FORMADD_MEMORY;
else
current_form->contenttype_alloc = TRUE;
}
else
return_value = CURL_FORMADD_NULL;
}
break;
}
case CURLFORM_CONTENTHEADER:
{
/* this "cast increases required alignment of target type" but
we consider it OK anyway */
struct curl_slist *list = array_state?
(struct curl_slist *)(void *)array_value:
va_arg(params, struct curl_slist *);
if(current_form->contentheader)
return_value = CURL_FORMADD_OPTION_TWICE;
else
current_form->contentheader = list;
break;
}
case CURLFORM_FILENAME:
case CURLFORM_BUFFER:
{
const char *filename = array_state?array_value:
va_arg(params, char *);
if(current_form->showfilename)
return_value = CURL_FORMADD_OPTION_TWICE;
else {
current_form->showfilename = strdup(filename);
if(!current_form->showfilename)
return_value = CURL_FORMADD_MEMORY;
else
current_form->showfilename_alloc = TRUE;
}
break;
}
default:
return_value = CURL_FORMADD_UNKNOWN_OPTION;
break;
}
}
if(CURL_FORMADD_OK != return_value) {
/* On error, free allocated fields for all nodes of the FormInfo linked
list without deallocating nodes. List nodes are deallocated later on */
FormInfo *ptr;
for(ptr = first_form; ptr != NULL; ptr = ptr->more) {
if(ptr->name_alloc) {
Curl_safefree(ptr->name);
ptr->name_alloc = FALSE;
}
if(ptr->value_alloc) {
Curl_safefree(ptr->value);
ptr->value_alloc = FALSE;
}
if(ptr->contenttype_alloc) {
Curl_safefree(ptr->contenttype);
ptr->contenttype_alloc = FALSE;
}
if(ptr->showfilename_alloc) {
Curl_safefree(ptr->showfilename);
ptr->showfilename_alloc = FALSE;
}
}
}
if(CURL_FORMADD_OK == return_value) {
/* go through the list, check for completeness and if everything is
* alright add the HttpPost item otherwise set return_value accordingly */
post = NULL;
for(form = first_form;
form != NULL;
form = form->more) {
if(((!form->name || !form->value) && !post) ||
( (form->contentslength) &&
(form->flags & HTTPPOST_FILENAME) ) ||
( (form->flags & HTTPPOST_FILENAME) &&
(form->flags & HTTPPOST_PTRCONTENTS) ) ||
( (!form->buffer) &&
(form->flags & HTTPPOST_BUFFER) &&
(form->flags & HTTPPOST_PTRBUFFER) ) ||
( (form->flags & HTTPPOST_READFILE) &&
(form->flags & HTTPPOST_PTRCONTENTS) )
) {
return_value = CURL_FORMADD_INCOMPLETE;
break;
}
else {
if(((form->flags & HTTPPOST_FILENAME) ||
(form->flags & HTTPPOST_BUFFER)) &&
!form->contenttype) {
char *f = form->flags & HTTPPOST_BUFFER?
form->showfilename : form->value;
/* our contenttype is missing */
form->contenttype = strdup(ContentTypeForFilename(f, prevtype));
if(!form->contenttype) {
return_value = CURL_FORMADD_MEMORY;
break;
}
form->contenttype_alloc = TRUE;
}
if(!(form->flags & HTTPPOST_PTRNAME) &&
(form == first_form) ) {
/* Note that there's small risk that form->name is NULL here if the
app passed in a bad combo, so we better check for that first. */
if(form->name) {
/* copy name (without strdup; possibly contains null characters) */
form->name = Curl_memdup(form->name, form->namelength?
form->namelength:
strlen(form->name)+1);
}
if(!form->name) {
return_value = CURL_FORMADD_MEMORY;
break;
}
form->name_alloc = TRUE;
}
if(!(form->flags & (HTTPPOST_FILENAME | HTTPPOST_READFILE |
HTTPPOST_PTRCONTENTS | HTTPPOST_PTRBUFFER |
HTTPPOST_CALLBACK)) && form->value) {
/* copy value (without strdup; possibly contains null characters) */
size_t clen = (size_t) form->contentslength;
if(!clen)
clen = strlen(form->value)+1;
form->value = Curl_memdup(form->value, clen);
if(!form->value) {
return_value = CURL_FORMADD_MEMORY;
break;
}
form->value_alloc = TRUE;
}
post = AddHttpPost(form->name, form->namelength,
form->value, form->contentslength,
form->buffer, form->bufferlength,
form->contenttype, form->flags,
form->contentheader, form->showfilename,
form->userp,
post, httppost,
last_post);
if(!post) {
return_value = CURL_FORMADD_MEMORY;
break;
}
if(form->contenttype)
prevtype = form->contenttype;
}
}
if(CURL_FORMADD_OK != return_value) {
/* On error, free allocated fields for nodes of the FormInfo linked
list which are not already owned by the httppost linked list
without deallocating nodes. List nodes are deallocated later on */
FormInfo *ptr;
for(ptr = form; ptr != NULL; ptr = ptr->more) {
if(ptr->name_alloc) {
Curl_safefree(ptr->name);
ptr->name_alloc = FALSE;
}
if(ptr->value_alloc) {
Curl_safefree(ptr->value);
ptr->value_alloc = FALSE;
}
if(ptr->contenttype_alloc) {
Curl_safefree(ptr->contenttype);
ptr->contenttype_alloc = FALSE;
}
if(ptr->showfilename_alloc) {
Curl_safefree(ptr->showfilename);
ptr->showfilename_alloc = FALSE;
}
}
}
}
/* Always deallocate FormInfo linked list nodes without touching node
fields given that these have either been deallocated or are owned
now by the httppost linked list */
while(first_form) {
FormInfo *ptr = first_form->more;
free(first_form);
first_form = ptr;
}
return return_value;
}
/* return 0 on success */
static int showit(struct Curl_easy *data, curl_infotype type,
char *ptr, size_t size)
{
static const char s_infotype[CURLINFO_END][3] = {
"* ", "< ", "> ", "{ ", "} ", "{ ", "} " };
int rc = 0;
#ifdef CURL_DOES_CONVERSIONS
char *buf = NULL;
size_t conv_size = 0;
switch(type) {
case CURLINFO_HEADER_OUT:
buf = Curl_memdup(ptr, size);
if(!buf)
return 1;
conv_size = size;
/* Special processing is needed for this block if it
* contains both headers and data (separated by CRLFCRLF).
* We want to convert just the headers, leaving the data as-is.
*/
if(size > 4) {
size_t i;
for(i = 0; i < size-4; i++) {
if(memcmp(&buf[i], "\x0d\x0a\x0d\x0a", 4) == 0) {
/* convert everything through this CRLFCRLF but no further */
conv_size = i + 4;
break;
}
}
}
Curl_convert_from_network(data, buf, conv_size);
/* Curl_convert_from_network calls failf if unsuccessful */
/* we might as well continue even if it fails... */
ptr = buf; /* switch pointer to use my buffer instead */
break;
default:
/* leave everything else as-is */
break;
}
#endif /* CURL_DOES_CONVERSIONS */
if(data->set.fdebug) {
Curl_set_in_callback(data, true);
rc = (*data->set.fdebug)(data, type, ptr, size, data->set.debugdata);
Curl_set_in_callback(data, false);
}
else {
switch(type) {
case CURLINFO_TEXT:
case CURLINFO_HEADER_OUT:
case CURLINFO_HEADER_IN:
fwrite(s_infotype[type], 2, 1, data->set.err);
fwrite(ptr, size, 1, data->set.err);
#ifdef CURL_DOES_CONVERSIONS
if(size != conv_size) {
/* we had untranslated data so we need an explicit newline */
fwrite("\n", 1, 1, data->set.err);
}
#endif
break;
default: /* nada */
break;
}
}
#ifdef CURL_DOES_CONVERSIONS
free(buf);
#endif
return rc;
}
static CURLcode pausewrite(struct Curl_easy *data,
int type, /* what type of data */
const char *ptr,
size_t len)
{
/* signalled to pause sending on this connection, but since we have data
we want to send we need to dup it to save a copy for when the sending
is again enabled */
struct SingleRequest *k = &data->req;
struct UrlState *s = &data->state;
char *dupl;
unsigned int i;
bool newtype = TRUE;
if(s->tempcount) {
for(i = 0; i< s->tempcount; i++) {
if(s->tempwrite[i].type == type) {
/* data for this type exists */
newtype = FALSE;
break;
}
}
DEBUGASSERT(i < 3);
}
else
i = 0;
if(!newtype) {
/* append new data to old data */
/* figure out the new size of the data to save */
size_t newlen = len + s->tempwrite[i].len;
/* allocate the new memory area */
char *newptr = realloc(s->tempwrite[i].buf, newlen);
if(!newptr)
return CURLE_OUT_OF_MEMORY;
/* copy the new data to the end of the new area */
memcpy(newptr + s->tempwrite[i].len, ptr, len);
/* update the pointer and the size */
s->tempwrite[i].buf = newptr;
s->tempwrite[i].len = newlen;
}
else {
dupl = Curl_memdup(ptr, len);
if(!dupl)
return CURLE_OUT_OF_MEMORY;
/* store this information in the state struct for later use */
s->tempwrite[i].buf = dupl;
s->tempwrite[i].len = len;
s->tempwrite[i].type = type;
if(newtype)
s->tempcount++;
}
/* mark the connection as RECV paused */
k->keepon |= KEEP_RECV_PAUSE;
DEBUGF(infof(data, "Paused %zu bytes in buffer for type %02x\n",
len, type));
return CURLE_OK;
}
