* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
- * $Id$
***************************************************************************/
-/*
- Debug the form generator stand-alone by compiling this source file with:
-
- gcc -DHAVE_CONFIG_H -I../ -g -D_FORM_DEBUG -DCURLDEBUG -o formdata \
- -I../include formdata.c strequal.c memdebug.c mprintf.c strerror.c
-
- (depending on circumstances you may need further externals added)
-
- run the 'formdata' executable the output should end with:
- All Tests seem to have worked ...
- and the following parts should be there:
-
-Content-Disposition: form-data; name="simple_COPYCONTENTS"
-value for simple COPYCONTENTS
-
-Content-Disposition: form-data; name="COPYCONTENTS_+_CONTENTTYPE"
-Content-Type: image/gif
-value for COPYCONTENTS + CONTENTTYPE
-
-Content-Disposition: form-data; name="PRNAME_+_NAMELENGTH_+_COPYNAME_+_CONTENTSLENGTH"
-vlue for PTRNAME + NAMELENGTH + COPYNAME + CONTENTSLENGTH
-(or you might see P^@RNAME and v^@lue at the start)
-
-Content-Disposition: form-data; name="simple_PTRCONTENTS"
-value for simple PTRCONTENTS
-
-Content-Disposition: form-data; name="PTRCONTENTS_+_CONTENTSLENGTH"
-vlue for PTRCONTENTS + CONTENTSLENGTH
-(or you might see v^@lue at the start)
-
-Content-Disposition: form-data; name="PTRCONTENTS_+_CONTENTSLENGTH_+_CONTENTTYPE"
-Content-Type: application/octet-stream
-vlue for PTRCONTENTS + CONTENTSLENGTH + CONTENTTYPE
-(or you might see v^@lue at the start)
-
-Content-Disposition: form-data; name="FILE1_+_CONTENTTYPE"; filename="formdata.h"
-Content-Type: text/html
-...
-
-Content-Disposition: form-data; name="FILE1_+_FILE2"
-Content-Type: multipart/mixed, boundary=curlz1s0dkticx49MV1KGcYP5cvfSsz
-...
-Content-Disposition: attachment; filename="formdata.h"
-Content-Type: application/octet-stream
-...
-Content-Disposition: attachment; filename="Makefile.b32"
-Content-Type: application/octet-stream
-...
-
-Content-Disposition: form-data; name="FILE1_+_FILE2_+_FILE3"
-Content-Type: multipart/mixed, boundary=curlirkYPmPwu6FrJ1vJ1u1BmtIufh1
-...
-Content-Disposition: attachment; filename="formdata.h"
-Content-Type: application/octet-stream
-...
-Content-Disposition: attachment; filename="Makefile.b32"
-Content-Type: application/octet-stream
-...
-Content-Disposition: attachment; filename="formdata.h"
-Content-Type: application/octet-stream
-...
-
-
-Content-Disposition: form-data; name="ARRAY: FILE1_+_FILE2_+_FILE3"
-Content-Type: multipart/mixed, boundary=curlirkYPmPwu6FrJ1vJ1u1BmtIufh1
-...
-Content-Disposition: attachment; filename="formdata.h"
-Content-Type: application/octet-stream
-...
-Content-Disposition: attachment; filename="Makefile.b32"
-Content-Type: application/octet-stream
-...
-Content-Disposition: attachment; filename="formdata.h"
-Content-Type: application/octet-stream
-...
-
-Content-Disposition: form-data; name="FILECONTENT"
-...
-
- */
+#include "curl_setup.h"
-#include "setup.h"
#include <curl/curl.h>
-/* Length of the random boundary string. */
-#define BOUNDARY_LENGTH 40
-
-#if !defined(CURL_DISABLE_HTTP) || defined(USE_SSLEAY)
+#ifndef CURL_DISABLE_HTTP
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-#include <time.h>
#if defined(HAVE_LIBGEN_H) && defined(HAVE_BASENAME)
#include <libgen.h>
#endif
+
#include "urldata.h" /* for struct SessionHandle */
-#include "easyif.h" /* for Curl_convert_... prototypes */
#include "formdata.h"
+#include "vtls/vtls.h"
#include "strequal.h"
#include "curl_memory.h"
+#include "sendf.h"
+#include "strdup.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
/* The last #include file should be: */
#include "memdebug.h"
-#endif /* !defined(CURL_DISABLE_HTTP) || defined(USE_SSLEAY) */
-
-#ifndef CURL_DISABLE_HTTP
-
-#if defined(HAVE_BASENAME) && defined(NEED_BASENAME_PROTO)
-/* This system has a basename() but no prototype for it! */
-char *basename(char *path);
+#ifndef HAVE_BASENAME
+static char *Curl_basename(char *path);
+#define basename(x) Curl_basename((x))
#endif
static size_t readfromfile(struct Form *form, char *buffer, size_t size);
+static char *formboundary(struct SessionHandle *data);
/* What kind of Content-Type to use on un-specified files with unrecognized
extensions. */
struct curl_httppost **last_post)
{
struct curl_httppost *post;
- post = calloc(sizeof(struct curl_httppost), 1);
+ post = calloc(1, sizeof(struct curl_httppost));
if(post) {
post->name = name;
post->namelength = (long)(name?(namelength?namelength:strlen(name)):0);
FormInfo *parent_form_info)
{
FormInfo *form_info;
- form_info = calloc(sizeof(FormInfo), 1);
+ form_info = calloc(1, sizeof(struct FormInfo));
if(form_info) {
if(value)
form_info->value = value;
/* then move the original 'more' to point to ourselves */
parent_form_info->more = form_info;
}
- else
- return NULL;
return form_info;
}
* Returns some valid contenttype for filename.
*
***************************************************************************/
-static const char * ContentTypeForFilename (const char *filename,
- const char *prevtype)
+static const char *ContentTypeForFilename(const char *filename,
+ const char *prevtype)
{
const char *contenttype = NULL;
unsigned int i;
* extensions and pick the first we match!
*/
struct ContentType {
- char extension[6];
+ const char *extension;
const char *type;
};
static const struct ContentType ctts[]={
/***************************************************************************
*
- * memdup()
- *
- * Copies the 'source' data to a newly allocated buffer buffer (that is
- * returned). Uses buffer_length if not null, else uses strlen to determine
- * the length of the buffer to be copied
- *
- * Returns the new pointer or NULL on failure.
- *
- ***************************************************************************/
-static char *memdup(const char *src, size_t buffer_length)
-{
- size_t length;
- bool add = FALSE;
- char *buffer;
-
- if(buffer_length)
- length = buffer_length;
- else if(src) {
- length = strlen(src);
- add = TRUE;
- }
- else
- /* no length and a NULL src pointer! */
- return strdup("");
-
- buffer = malloc(length+add);
- if(!buffer)
- return NULL; /* fail */
-
- memcpy(buffer, src, length);
-
- /* if length unknown do null termination */
- if(add)
- buffer[length] = '\0';
-
- return buffer;
-}
-
-/***************************************************************************
- *
* FormAdd()
*
* Stores a formpost parameter and builds the appropriate linked list.
* CURL_FORMADD_NULL if a null pointer was given for a char
* CURL_FORMADD_MEMORY if the allocation of a FormInfo struct failed
* CURL_FORMADD_UNKNOWN_OPTION if an unknown option was used
- * CURL_FORMADD_INCOMPLETE if the some FormInfo is not complete (or an error)
+ * CURL_FORMADD_INCOMPLETE if the some FormInfo is not complete (or error)
* CURL_FORMADD_MEMORY if a HttpPost struct cannot be allocated
* CURL_FORMADD_MEMORY if some allocation for string copying failed.
* CURL_FORMADD_ILLEGAL_ARRAY if an illegal option is used in an array
/*
* We need to allocate the first struct to fill in.
*/
- first_form = calloc(sizeof(struct FormInfo), 1);
+ first_form = calloc(1, sizeof(struct FormInfo));
if(!first_form)
return CURL_FORMADD_MEMORY;
while(return_value == CURL_FORMADD_OK) {
/* first see if we have more parts of the array param */
- if( array_state ) {
+ if(array_state && forms) {
/* get the upcoming option from the given array */
option = forms->option;
array_value = (char *)forms->value;
*/
case CURLFORM_PTRNAME:
#ifdef CURL_DOES_CONVERSIONS
- /* treat CURLFORM_PTR like CURLFORM_COPYNAME so we'll
- have safe memory for the eventual conversion */
+ /* 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
/* Get contents from a given file name */
case CURLFORM_FILECONTENT:
- if(current_form->flags != 0)
+ if(current_form->flags & (HTTPPOST_PTRCONTENTS|HTTPPOST_READFILE))
return_value = CURL_FORMADD_OPTION_TWICE;
else {
const char *filename = array_state?
if(current_form->value) {
if(current_form->flags & HTTPPOST_FILENAME) {
if(filename) {
- if((current_form = AddFormInfo(strdup(filename),
- NULL, current_form)) == NULL)
+ char *fname = strdup(filename);
+ if(!fname)
return_value = CURL_FORMADD_MEMORY;
+ else {
+ form = AddFormInfo(fname, NULL, current_form);
+ if(!form) {
+ Curl_safefree(fname);
+ return_value = CURL_FORMADD_MEMORY;
+ }
+ else {
+ form->value_alloc = TRUE;
+ current_form = form;
+ form = NULL;
+ }
+ }
}
else
return_value = CURL_FORMADD_NULL;
break;
}
- case CURLFORM_BUFFER:
- {
- const char *filename = array_state?array_value:
- va_arg(params, char *);
-
- if(current_form->value) {
- if(current_form->flags & HTTPPOST_BUFFER) {
- if(filename) {
- if((current_form = AddFormInfo(strdup(filename),
- NULL, current_form)) == NULL)
- return_value = CURL_FORMADD_MEMORY;
- }
- 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
- return_value = CURL_FORMADD_NULL;
- current_form->flags |= HTTPPOST_BUFFER;
- }
- break;
- }
-
case CURLFORM_BUFFERPTR:
- current_form->flags |= HTTPPOST_PTRBUFFER;
+ 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)
+ 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;
}
if(current_form->contenttype) {
if(current_form->flags & HTTPPOST_FILENAME) {
if(contenttype) {
- if((current_form = AddFormInfo(NULL,
- strdup(contenttype),
- current_form)) == NULL)
+ char *type = strdup(contenttype);
+ if(!type)
return_value = CURL_FORMADD_MEMORY;
+ else {
+ form = AddFormInfo(NULL, type, current_form);
+ if(!form) {
+ Curl_safefree(type);
+ return_value = CURL_FORMADD_MEMORY;
+ }
+ else {
+ form->contenttype_alloc = TRUE;
+ current_form = form;
+ form = NULL;
+ }
+ }
}
else
return_value = CURL_FORMADD_NULL;
(struct curl_slist*)array_value:
va_arg(params, struct curl_slist*);
- if( current_form->contentheader )
+ 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 )
+ if(current_form->showfilename)
return_value = CURL_FORMADD_OPTION_TWICE;
else {
current_form->showfilename = strdup(filename);
}
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;
+ }
}
}
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) )
+ 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 ) {
+ 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(form->value, prevtype));
+ 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) ) {
+ 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)
+ if(form->name) {
/* copy name (without strdup; possibly contains null characters) */
- form->name = memdup(form->name, form->namelength);
+ 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)) ) {
+ if(!(form->flags & (HTTPPOST_FILENAME | HTTPPOST_READFILE |
+ HTTPPOST_PTRCONTENTS | HTTPPOST_PTRBUFFER |
+ HTTPPOST_CALLBACK)) && form->value) {
/* copy value (without strdup; possibly contains null characters) */
- form->value = memdup(form->value, form->contentslength);
+ form->value = Curl_memdup(form->value, form->contentslength?
+ form->contentslength:
+ strlen(form->value)+1);
if(!form->value) {
return_value = CURL_FORMADD_MEMORY;
break;
prevtype = form->contenttype;
}
}
- }
-
- if(return_value) {
- /* we return on error, free possibly allocated fields */
- if(!form)
- form = current_form;
- if(form) {
- if(form->name_alloc)
- free(form->name);
- if(form->value_alloc)
- free(form->value);
- if(form->contenttype_alloc)
- free(form->contenttype);
- if(form->showfilename_alloc)
- free(form->showfilename);
+ 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 delete the allocated memory before returning */
- form = first_form;
- while(form != NULL) {
- FormInfo *delete_form;
-
- delete_form = form;
- form = form->more;
- free (delete_form);
+ /* 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;
+ Curl_safefree(first_form);
+ first_form = ptr;
}
return return_value;
/*
* curl_formadd() is a public API to add a section to the multipart formpost.
+ *
+ * @unittest: 1308
*/
CURLFORMcode curl_formadd(struct curl_httppost **httppost,
return result;
}
+#ifdef __VMS
+#include <fabdef.h>
+/*
+ * get_vms_file_size does what it takes to get the real size of the file
+ *
+ * For fixed files, find out the size of the EOF block and adjust.
+ *
+ * For all others, have to read the entire file in, discarding the contents.
+ * Most posted text files will be small, and binary files like zlib archives
+ * and CD/DVD images should be either a STREAM_LF format or a fixed format.
+ *
+ */
+curl_off_t VmsRealFileSize(const char * name,
+ const struct_stat * stat_buf)
+{
+ char buffer[8192];
+ curl_off_t count;
+ int ret_stat;
+ FILE * file;
+
+ file = fopen(name, "r");
+ if(file == NULL)
+ return 0;
+
+ count = 0;
+ ret_stat = 1;
+ while(ret_stat > 0) {
+ ret_stat = fread(buffer, 1, sizeof(buffer), file);
+ if(ret_stat != 0)
+ count += ret_stat;
+ }
+ fclose(file);
+
+ return count;
+}
+
+/*
+ *
+ * VmsSpecialSize checks to see if the stat st_size can be trusted and
+ * if not to call a routine to get the correct size.
+ *
+ */
+static curl_off_t VmsSpecialSize(const char * name,
+ const struct_stat * stat_buf)
+{
+ switch(stat_buf->st_fab_rfm) {
+ case FAB$C_VAR:
+ case FAB$C_VFC:
+ return VmsRealFileSize(name, stat_buf);
+ break;
+ default:
+ return stat_buf->st_size;
+ }
+}
+
+#endif
+
+#ifndef __VMS
+#define filesize(name, stat_data) (stat_data.st_size)
+#else
+ /* Getting the expected file size needs help on VMS */
+#define filesize(name, stat_data) VmsSpecialSize(name, &stat_data)
+#endif
+
/*
* AddFormData() adds a chunk of data to the FormData linked list.
*
file */
if(!strequal("-", newform->line)) {
struct_stat file;
- if(!stat(newform->line, &file)) {
- *size += file.st_size;
- }
+ if(!stat(newform->line, &file) && !S_ISDIR(file.st_mode))
+ *size += filesize(newform->line, file);
+ else
+ return CURLE_BAD_FUNCTION_ARGUMENT;
}
}
}
*form_ptr = NULL;
}
-#ifdef CURL_DOES_CONVERSIONS
-/*
- * Curl_formcovert() is used from http.c, this converts any
- form items that need to be sent in the network encoding.
- Returns CURLE_OK on success.
- */
-CURLcode Curl_formconvert(struct SessionHandle *data, struct FormData *form)
-{
- struct FormData *next;
- CURLcode rc;
-
- if(!form)
- return CURLE_OK;
-
- if(!data)
- return CURLE_BAD_FUNCTION_ARGUMENT;
-
- do {
- next=form->next; /* the following form line */
- if(form->type == FORM_DATA) {
- rc = Curl_convert_to_network(data, form->line, form->length);
- /* Curl_convert_to_network calls failf if unsuccessful */
- if(rc != CURLE_OK)
- return rc;
- }
- } while((form = next) != NULL); /* continue */
- return CURLE_OK;
-}
-#endif /* CURL_DOES_CONVERSIONS */
-
/*
* curl_formget()
* Serialize a curl_httppost struct.
* Returns 0 on success.
+ *
+ * @unittest: 1308
*/
int curl_formget(struct curl_httppost *form, void *arg,
curl_formget_callback append)
{
- CURLcode rc;
+ CURLcode result;
curl_off_t size;
struct FormData *data, *ptr;
- rc = Curl_getFormData(&data, form, NULL, &size);
- if(rc != CURLE_OK)
- return (int)rc;
+ result = Curl_getformdata(NULL, &data, form, NULL, &size);
+ if(result)
+ return (int)result;
- for (ptr = data; ptr; ptr = ptr->next) {
- if(ptr->type == FORM_FILE) {
+ for(ptr = data; ptr; ptr = ptr->next) {
+ if((ptr->type == FORM_FILE) || (ptr->type == FORM_CALLBACK)) {
char buffer[8192];
size_t nread;
struct Form temp;
do {
nread = readfromfile(&temp, buffer, sizeof(buffer));
- if((nread == (size_t) -1) || (nread != append(arg, buffer, nread))) {
- if(temp.fp) {
+ if((nread == (size_t) -1) ||
+ (nread > sizeof(buffer)) ||
+ (nread != append(arg, buffer, nread))) {
+ if(temp.fp)
fclose(temp.fp);
- }
Curl_formclean(&data);
return -1;
}
- } while(nread == sizeof(buffer));
- } else {
+ } while(nread);
+ }
+ else {
if(ptr->length != append(arg, ptr->line, ptr->length)) {
Curl_formclean(&data);
return -1;
if(form->more)
curl_formfree(form->more);
- if( !(form->flags & HTTPPOST_PTRNAME) && form->name)
+ if(!(form->flags & HTTPPOST_PTRNAME) && form->name)
free(form->name); /* free the name */
- if( !(form->flags & (HTTPPOST_PTRCONTENTS|HTTPPOST_CALLBACK)) &&
- form->contents)
+ if(!(form->flags &
+ (HTTPPOST_PTRCONTENTS|HTTPPOST_BUFFER|HTTPPOST_CALLBACK)) &&
+ form->contents)
free(form->contents); /* free the contents */
if(form->contenttype)
free(form->contenttype); /* free the content type */
required to be reentrant is not required to be thread-safe.
*/
-static char *basename(char *path)
+static char *Curl_basename(char *path)
{
/* Ignore all the details above for now and make a quick and simple
implementaion here */
return base; /* returns an allocated string or NULL ! */
}
+static CURLcode formdata_add_filename(const struct curl_httppost *file,
+ struct FormData **form,
+ curl_off_t *size)
+{
+ CURLcode result = CURLE_OK;
+ char *filename = file->showfilename;
+ char *filebasename = NULL;
+ char *filename_escaped = NULL;
+
+ if(!filename) {
+ filebasename = strippath(file->contents);
+ if(!filebasename)
+ return CURLE_OUT_OF_MEMORY;
+ filename = filebasename;
+ }
+
+ if(strchr(filename, '\\') || strchr(filename, '"')) {
+ char *p0, *p1;
+
+ /* filename need be escaped */
+ filename_escaped = malloc(strlen(filename)*2+1);
+ if(!filename_escaped) {
+ Curl_safefree(filebasename);
+ return CURLE_OUT_OF_MEMORY;
+ }
+ p0 = filename_escaped;
+ p1 = filename;
+ while(*p1) {
+ if(*p1 == '\\' || *p1 == '"')
+ *p0++ = '\\';
+ *p0++ = *p1++;
+ }
+ *p0 = '\0';
+ filename = filename_escaped;
+ }
+ result = AddFormDataf(form, size,
+ "; filename=\"%s\"",
+ filename);
+ Curl_safefree(filename_escaped);
+ Curl_safefree(filebasename);
+ return result;
+}
+
/*
- * Curl_getFormData() converts a linked list of "meta data" into a complete
+ * Curl_getformdata() converts a linked list of "meta data" into a complete
* (possibly huge) multipart formdata. The input list is in 'post', while the
* output resulting linked lists gets stored in '*finalform'. *sizep will get
* the total size of the whole POST.
* A multipart/form_data content-type is built, unless a custom content-type
* is passed in 'custom_content_type'.
+ *
+ * This function will not do a failf() for the potential memory failures but
+ * should for all other errors it spots. Just note that this function MAY get
+ * a NULL pointer in the 'data' argument.
*/
-CURLcode Curl_getFormData(struct FormData **finalform,
+CURLcode Curl_getformdata(struct SessionHandle *data,
+ struct FormData **finalform,
struct curl_httppost *post,
const char *custom_content_type,
curl_off_t *sizep)
struct curl_httppost *file;
CURLcode result = CURLE_OK;
- curl_off_t size=0; /* support potentially ENORMOUS formposts */
+ curl_off_t size = 0; /* support potentially ENORMOUS formposts */
char *boundary;
- char *fileboundary=NULL;
+ char *fileboundary = NULL;
struct curl_slist* curList;
- *finalform=NULL; /* default form is empty */
+ *finalform = NULL; /* default form is empty */
if(!post)
return result; /* no input => no output! */
- boundary = Curl_FormBoundary();
+ boundary = formboundary(data);
if(!boundary)
return CURLE_OUT_OF_MEMORY;
boundary);
if(result) {
- free(boundary);
+ Curl_safefree(boundary);
return result;
}
/* we DO NOT include that line in the total size of the POST, since it'll be
/* If used, this is a link to more file names, we must then do
the magic to include several files with the same field name */
- fileboundary = Curl_FormBoundary();
+ Curl_safefree(fileboundary);
+ fileboundary = formboundary(data);
+ if(!fileboundary) {
+ result = CURLE_OUT_OF_MEMORY;
+ break;
+ }
result = AddFormDataf(&form, &size,
- "\r\nContent-Type: multipart/mixed,"
+ "\r\nContent-Type: multipart/mixed;"
" boundary=%s\r\n",
fileboundary);
if(result)
if(post->more) {
/* if multiple-file */
- char *filebasename= NULL;
- if(!file->showfilename) {
- filebasename = strippath(file->contents);
- if(!filebasename) {
- Curl_formclean(&firstform);
- free(boundary);
- return CURLE_OUT_OF_MEMORY;
- }
- }
-
result = AddFormDataf(&form, &size,
"\r\n--%s\r\nContent-Disposition: "
- "attachment; filename=\"%s\"",
- fileboundary,
- (file->showfilename?file->showfilename:
- filebasename));
- if(filebasename)
- free(filebasename);
+ "attachment",
+ fileboundary);
+ if(result)
+ break;
+ result = formdata_add_filename(file, &form, &size);
if(result)
break;
}
/* it should be noted that for the HTTPPOST_FILENAME and
HTTPPOST_CALLBACK cases the ->showfilename struct member is always
assigned at this point */
- char *filebasename=
- (!post->showfilename)?strippath(post->contents):NULL;
-
- result = AddFormDataf(&form, &size,
- "; filename=\"%s\"",
- (post->showfilename?post->showfilename:
- filebasename));
- if(filebasename)
- free(filebasename);
+ if(post->showfilename || (post->flags & HTTPPOST_FILENAME)) {
+ result = formdata_add_filename(post, &form, &size);
+ }
if(result)
break;
}
curList = file->contentheader;
- while( curList ) {
+ while(curList) {
/* Process the additional headers specified for this form */
result = AddFormDataf( &form, &size, "\r\n%s", curList->data );
if(result)
break;
curList = curList->next;
}
- if(result) {
- Curl_formclean(&firstform);
- free(boundary);
- return result;
- }
-
-#if 0
- /* The header Content-Transfer-Encoding: seems to confuse some receivers
- * (like the built-in PHP engine). While I can't see any reason why it
- * should, I can just as well skip this to the benefit of the users who
- * are using such confused receivers.
- */
-
- if(file->contenttype &&
- !checkprefix("text/", file->contenttype)) {
- /* this is not a text content, mention our binary encoding */
- result = AddFormDataf(&form, &size,
- "\r\nContent-Transfer-Encoding: binary");
- if(result)
- break;
- }
-#endif
+ if(result)
+ break;
result = AddFormDataf(&form, &size, "\r\n\r\n");
if(result)
if(fileread) {
if(fileread != stdin) {
- /* close the file again */
+ /* close the file */
fclose(fileread);
/* add the file name only - for later reading from this */
result = AddFormData(&form, FORM_FILE, file->contents, 0, &size);
break;
}
}
-
- if(result) {
- Curl_formclean(&firstform);
- free(boundary);
- return result;
- }
-
}
else {
-#ifdef _FORM_DEBUG
- fprintf(stderr,
- "\n==> Curl_getFormData couldn't open/read \"%s\"\n",
- file->contents);
-#endif
- Curl_formclean(&firstform);
- free(boundary);
+ if(data)
+ failf(data, "couldn't open file \"%s\"", file->contents);
*finalform = NULL;
- return CURLE_READ_ERROR;
+ result = CURLE_READ_ERROR;
}
-
}
- else if(post->flags & HTTPPOST_BUFFER) {
+ else if(post->flags & HTTPPOST_BUFFER)
/* include contents of buffer */
result = AddFormData(&form, FORM_CONTENT, post->buffer,
post->bufferlength, &size);
- if(result)
- break;
- }
- else if(post->flags & HTTPPOST_CALLBACK) {
+ else if(post->flags & HTTPPOST_CALLBACK)
/* the contents should be read with the callback and the size
is set with the contentslength */
result = AddFormData(&form, FORM_CALLBACK, post->userp,
post->contentslength, &size);
- if(result)
- break;
- }
- else {
+ else
/* include the contents we got */
result = AddFormData(&form, FORM_CONTENT, post->contents,
post->contentslength, &size);
- if(result)
- break;
- }
- } while((file = file->more) != NULL); /* for each specified file for this field */
- if(result) {
- Curl_formclean(&firstform);
- free(boundary);
- return result;
- }
+
+ file = file->more;
+ } while(file && !result); /* for each specified file for this field */
+
+ if(result)
+ break;
if(post->more) {
/* this was a multiple-file inclusion, make a termination file
result = AddFormDataf(&form, &size,
"\r\n--%s--",
fileboundary);
- free(fileboundary);
if(result)
break;
}
} while((post = post->next) != NULL); /* for each field */
- if(result) {
- Curl_formclean(&firstform);
- free(boundary);
- return result;
- }
/* end-boundary for everything */
- result = AddFormDataf(&form, &size,
- "\r\n--%s--\r\n",
- boundary);
+ if(!result)
+ result = AddFormDataf(&form, &size, "\r\n--%s--\r\n", boundary);
+
if(result) {
Curl_formclean(&firstform);
- free(boundary);
+ Curl_safefree(fileboundary);
+ Curl_safefree(boundary);
return result;
}
*sizep = size;
- free(boundary);
+ Curl_safefree(fileboundary);
+ Curl_safefree(boundary);
- *finalform=firstform;
+ *finalform = firstform;
return result;
}
return 0;
}
+#ifndef __VMS
+# define fopen_read fopen
+#else
+ /*
+ * vmsfopenread
+ *
+ * For upload to work as expected on VMS, different optional
+ * parameters must be added to the fopen command based on
+ * record format of the file.
+ *
+ */
+# define fopen_read vmsfopenread
+static FILE * vmsfopenread(const char *file, const char *mode) {
+ struct_stat statbuf;
+ int result;
+
+ result = stat(file, &statbuf);
+
+ switch (statbuf.st_fab_rfm) {
+ case FAB$C_VAR:
+ case FAB$C_VFC:
+ case FAB$C_STMCR:
+ return fopen(file, "r");
+ break;
+ default:
+ return fopen(file, "r", "rfm=stmlf", "ctx=stm");
+ }
+}
+#endif
+
+/*
+ * readfromfile()
+ *
+ * The read callback that this function may use can return a value larger than
+ * 'size' (which then this function returns) that indicates a problem and it
+ * must be properly dealt with
+ */
static size_t readfromfile(struct Form *form, char *buffer,
size_t size)
{
size_t nread;
- bool callback = (bool)(form->data->type == FORM_CALLBACK);
+ bool callback = (form->data->type == FORM_CALLBACK)?TRUE:FALSE;
- if(callback)
- nread = form->fread_func(buffer, 1, size, form->data->line);
+ if(callback) {
+ if(form->fread_func == ZERO_NULL)
+ return 0;
+ else
+ nread = form->fread_func(buffer, 1, size, form->data->line);
+ }
else {
if(!form->fp) {
/* this file hasn't yet been opened */
- form->fp = fopen(form->data->line, "rb"); /* b is for binary */
+ form->fp = fopen_read(form->data->line, "rb"); /* b is for binary */
if(!form->fp)
return (size_t)-1; /* failure */
}
nread = fread(buffer, 1, size, form->fp);
}
- if(!nread || nread > size) {
+ if(!nread) {
/* this is the last chunk from the file, move on */
- if(!callback) {
+ if(form->fp) {
fclose(form->fp);
form->fp = NULL;
}
}
do {
- if( (form->data->length - form->sent ) > wantedsize - gotsize) {
+ if((form->data->length - form->sent ) > wantedsize - gotsize) {
memcpy(buffer + gotsize , form->data->line + form->sent,
wantedsize - gotsize);
return header;
}
-
-#ifdef _FORM_DEBUG
-int FormAddTest(const char * errormsg,
- struct curl_httppost **httppost,
- struct curl_httppost **last_post,
- ...)
-{
- int result;
- va_list arg;
- va_start(arg, last_post);
- if((result = FormAdd(httppost, last_post, arg)))
- fprintf (stderr, "ERROR doing FormAdd ret: %d action: %s\n", result,
- errormsg);
- va_end(arg);
- return result;
-}
-
-
-int main(int argc, argv_item_t argv[])
+/*
+ * formboundary() creates a suitable boundary string and returns an allocated
+ * one.
+ */
+static char *formboundary(struct SessionHandle *data)
{
- char name1[] = "simple_COPYCONTENTS";
- char name2[] = "COPYCONTENTS_+_CONTENTTYPE";
- char name3[] = "PTRNAME_+_NAMELENGTH_+_COPYNAME_+_CONTENTSLENGTH";
- char name4[] = "simple_PTRCONTENTS";
- char name5[] = "PTRCONTENTS_+_CONTENTSLENGTH";
- char name6[] = "PTRCONTENTS_+_CONTENTSLENGTH_+_CONTENTTYPE";
- char name7[] = "FILE1_+_CONTENTTYPE";
- char name8[] = "FILE1_+_FILE2";
- char name9[] = "FILE1_+_FILE2_+_FILE3";
- char name10[] = "ARRAY: FILE1_+_FILE2_+_FILE3";
- char name11[] = "FILECONTENT";
- char value1[] = "value for simple COPYCONTENTS";
- char value2[] = "value for COPYCONTENTS + CONTENTTYPE";
- char value3[] = "value for PTRNAME + NAMELENGTH + COPYNAME + CONTENTSLENGTH";
- char value4[] = "value for simple PTRCONTENTS";
- char value5[] = "value for PTRCONTENTS + CONTENTSLENGTH";
- char value6[] = "value for PTRCONTENTS + CONTENTSLENGTH + CONTENTTYPE";
- char value7[] = "formdata.h";
- char value8[] = "Makefile.b32";
- char type2[] = "image/gif";
- char type6[] = "text/plain";
- char type7[] = "text/html";
- int name3length = strlen(name3);
- int value3length = strlen(value3);
- int value5length = strlen(value5);
- int value6length = strlen(value6);
- int errors = 0;
- CURLcode rc;
- curl_off_t size;
- size_t nread;
- char buffer[4096];
- struct curl_httppost *httppost=NULL;
- struct curl_httppost *last_post=NULL;
- struct curl_forms forms[4];
-
- struct FormData *form;
- struct Form formread;
-
- (void) argc;
- (void) argv;
-
- if(FormAddTest("simple COPYCONTENTS test", &httppost, &last_post,
- CURLFORM_COPYNAME, name1, CURLFORM_COPYCONTENTS, value1,
- CURLFORM_END))
- ++errors;
- if(FormAddTest("COPYCONTENTS + CONTENTTYPE test", &httppost, &last_post,
- CURLFORM_COPYNAME, name2, CURLFORM_COPYCONTENTS, value2,
- CURLFORM_CONTENTTYPE, type2, CURLFORM_END))
- ++errors;
- /* make null character at start to check that contentslength works
- correctly */
- name3[1] = '\0';
- value3[1] = '\0';
- if(FormAddTest("PTRNAME + NAMELENGTH + COPYNAME + CONTENTSLENGTH test",
- &httppost, &last_post,
- CURLFORM_PTRNAME, name3, CURLFORM_COPYCONTENTS, value3,
- CURLFORM_CONTENTSLENGTH, value3length,
- CURLFORM_NAMELENGTH, name3length, CURLFORM_END))
- ++errors;
- if(FormAddTest("simple PTRCONTENTS test", &httppost, &last_post,
- CURLFORM_COPYNAME, name4, CURLFORM_PTRCONTENTS, value4,
- CURLFORM_END))
- ++errors;
- /* make null character at start to check that contentslength works
- correctly */
- value5[1] = '\0';
- if(FormAddTest("PTRCONTENTS + CONTENTSLENGTH test", &httppost, &last_post,
- CURLFORM_COPYNAME, name5, CURLFORM_PTRCONTENTS, value5,
- CURLFORM_CONTENTSLENGTH, value5length, CURLFORM_END))
- ++errors;
- /* make null character at start to check that contentslength works
- correctly */
- value6[1] = '\0';
- if(FormAddTest("PTRCONTENTS + CONTENTSLENGTH + CONTENTTYPE test",
- &httppost, &last_post,
- CURLFORM_COPYNAME, name6, CURLFORM_PTRCONTENTS, value6,
- CURLFORM_CONTENTSLENGTH, value6length,
- CURLFORM_CONTENTTYPE, type6, CURLFORM_END))
- ++errors;
- if(FormAddTest("FILE + CONTENTTYPE test", &httppost, &last_post,
- CURLFORM_COPYNAME, name7, CURLFORM_FILE, value7,
- CURLFORM_CONTENTTYPE, type7, CURLFORM_END))
- ++errors;
- if(FormAddTest("FILE1 + FILE2 test", &httppost, &last_post,
- CURLFORM_COPYNAME, name8, CURLFORM_FILE, value7,
- CURLFORM_FILE, value8, CURLFORM_END))
- ++errors;
- if(FormAddTest("FILE1 + FILE2 + FILE3 test", &httppost, &last_post,
- CURLFORM_COPYNAME, name9, CURLFORM_FILE, value7,
- CURLFORM_FILE, value8, CURLFORM_FILE, value7, CURLFORM_END))
- ++errors;
- forms[0].option = CURLFORM_FILE;
- forms[0].value = value7;
- forms[1].option = CURLFORM_FILE;
- forms[1].value = value8;
- forms[2].option = CURLFORM_FILE;
- forms[2].value = value7;
- forms[3].option = CURLFORM_END;
- if(FormAddTest("FILE1 + FILE2 + FILE3 ARRAY test", &httppost, &last_post,
- CURLFORM_COPYNAME, name10, CURLFORM_ARRAY, forms,
- CURLFORM_END))
- ++errors;
- if(FormAddTest("FILECONTENT test", &httppost, &last_post,
- CURLFORM_COPYNAME, name11, CURLFORM_FILECONTENT, value7,
- CURLFORM_END))
- ++errors;
-
- rc = Curl_getFormData(&form, httppost, NULL, &size);
- if(rc != CURLE_OK) {
- if(rc != CURLE_READ_ERROR) {
- const char *errortext = curl_easy_strerror(rc);
- fprintf(stdout, "\n==> Curl_getFormData error: %s\n", errortext);
- }
- return 0;
- }
-
- Curl_FormInit(&formread, form);
-
- do {
- nread = Curl_FormReader(buffer, 1, sizeof(buffer),
- (FILE *)&formread);
-
- if(nread < 1)
- break;
- fwrite(buffer, nread, 1, stdout);
- } while(1);
-
- fprintf(stdout, "size: ");
- fprintf(stdout, "%" FORMAT_OFF_T, size);
- fprintf(stdout, "\n");
- if(errors)
- fprintf(stdout, "\n==> %d Test(s) failed!\n", errors);
- else
- fprintf(stdout, "\nAll Tests seem to have worked (please check output)\n");
-
- return 0;
+ /* 24 dashes and 16 hexadecimal digits makes 64 bit (18446744073709551615)
+ combinations */
+ return aprintf("------------------------%08x%08x",
+ Curl_rand(data), Curl_rand(data));
}
-#endif /* _FORM_DEBUG */
-
#else /* CURL_DISABLE_HTTP */
CURLFORMcode curl_formadd(struct curl_httppost **httppost,
struct curl_httppost **last_post,
/* does nothing HTTP is disabled */
}
-#endif /* CURL_DISABLE_HTTP */
-
-#if !defined(CURL_DISABLE_HTTP) || defined(USE_SSLEAY)
-
-/*
- * Curl_FormBoundary() creates a suitable boundary string and returns an
- * allocated one. This is also used by SSL-code so it must be present even
- * if HTTP is disabled!
- */
-char *Curl_FormBoundary(void)
-{
- char *retstring;
- static int randomizer; /* this is just so that two boundaries within
- the same form won't be identical */
- size_t i;
-
- static const char table16[]="0123456789abcdef";
-
- retstring = malloc(BOUNDARY_LENGTH+1);
-
- if(!retstring)
- return NULL; /* failed */
-
- srand((unsigned int)time(NULL)+randomizer++); /* seed */
-
- strcpy(retstring, "----------------------------");
-
- for(i=strlen(retstring); i<BOUNDARY_LENGTH; i++)
- retstring[i] = table16[rand()%16];
-
- /* 28 dashes and 12 hexadecimal digits makes 12^16 (184884258895036416)
- combinations */
- retstring[BOUNDARY_LENGTH]=0; /* zero terminate */
-
- return retstring;
-}
-#endif /* !defined(CURL_DISABLE_HTTP) || defined(USE_SSLEAY) */
+#endif /* !defined(CURL_DISABLE_HTTP) */