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-rw-r--r--lib/formdata.c471
1 files changed, 303 insertions, 168 deletions
diff --git a/lib/formdata.c b/lib/formdata.c
index 728fe33e3..28a1dd4e6 100644
--- a/lib/formdata.c
+++ b/lib/formdata.c
@@ -80,6 +80,23 @@ Content-Disposition: attachment; filename="inet_ntoa_r.h"
Content-Type: text/plain
...
+
+Content-Disposition: form-data; name="ARRAY: FILE1_+_FILE2_+_FILE3"
+Content-Type: multipart/mixed, boundary=curlirkYPmPwu6FrJ1vJ1u1BmtIufh1
+...
+Content-Disposition: attachment; filename="inet_ntoa_r.h"
+Content-Type: text/plain
+...
+Content-Disposition: attachment; filename="Makefile.b32.resp"
+Content-Type: text/plain
+...
+Content-Disposition: attachment; filename="inet_ntoa_r.h"
+Content-Type: text/plain
+...
+
+Content-Disposition: form-data; name="FILECONTENT"
+...
+
For the old FormParse used by curl_formparse use:
gcc -DHAVE_CONFIG_H -I../ -g -D_OLD_FORM_DEBUG -o formdata -I../include formdata.c strequal.c
@@ -394,7 +411,7 @@ static struct HttpPost * AddHttpPost (char * name,
if(post) {
memset(post, 0, sizeof(struct HttpPost));
post->name = name;
- post->namelength = namelength;
+ post->namelength = namelength?namelength:(long)strlen(name);
post->contents = value;
post->contentslength = contentslength;
post->contenttype = contenttype;
@@ -432,9 +449,9 @@ static struct HttpPost * AddHttpPost (char * name,
* parent_form_info is NULL.
*
***************************************************************************/
-static FormInfo * AddFormInfo (char *value,
- char *contenttype,
- FormInfo *parent_form_info)
+static FormInfo * AddFormInfo(char *value,
+ char *contenttype,
+ FormInfo *parent_form_info)
{
FormInfo *form_info;
form_info = (FormInfo *)malloc(sizeof(FormInfo));
@@ -472,7 +489,7 @@ static FormInfo * AddFormInfo (char *value,
* Returns some valid contenttype for filename.
*
***************************************************************************/
-static const char * ContentTypeForFilename (char *filename,
+static const char * ContentTypeForFilename (const char *filename,
const char *prevtype)
{
const char *contenttype = NULL;
@@ -528,16 +545,21 @@ static const char * ContentTypeForFilename (char *filename,
***************************************************************************/
static int AllocAndCopy (char **buffer, int buffer_length)
{
- char *src = *buffer;
- int length;
+ const char *src = *buffer;
+ int length, add = 0;
if (buffer_length)
length = buffer_length;
- else
+ else {
length = strlen(*buffer);
- *buffer = (char*)malloc(length);
+ add = 1;
+ }
+ *buffer = (char*)malloc(length+add);
if (!*buffer)
return 1;
memcpy(*buffer, src, length);
+ /* if length unknown do null termination */
+ if (add)
+ (*buffer)[length] = '\0';
return 0;
}
@@ -561,11 +583,11 @@ static int AllocAndCopy (char **buffer, int buffer_length)
*
* Simple name/value pair with copied contents:
* curl_formadd (&post, &last, CURLFORM_COPYNAME, "name",
- * CURLFORM_COPYCONTENTS, "value");
+ * CURLFORM_COPYCONTENTS, "value", CURLFORM_END);
*
* name/value pair where only the content pointer is remembered:
* curl_formadd (&post, &last, CURLFORM_COPYNAME, "name",
- * CURLFORM_PTRCONTENTS, ptr, CURLFORM_CONTENTSLENGTH, 10);
+ * CURLFORM_PTRCONTENTS, ptr, CURLFORM_CONTENTSLENGTH, 10, CURLFORM_END);
* (if CURLFORM_CONTENTSLENGTH is missing strlen () is used)
*
* storing a filename (CONTENTTYPE is optional!):
@@ -577,204 +599,299 @@ static int AllocAndCopy (char **buffer, int buffer_length)
* curl_formadd (&post, &last, CURLFORM_COPYNAME, "name",
* CURLFORM_FILE, "filename1", CURLFORM_FILE, "filename2", CURLFORM_END);
*
- * Returns 0 on success, 1 if the FormInfo allocation fails, 2 if one
- * option is given twice for one Form, 3 if a null pointer was given for
- * a char *, 4 if the allocation of a FormInfo struct failed, 5 if an
- * unknown option was used, 6 if the some FormInfo is not complete (or
- * has an error), 7 if a HttpPost struct cannot be allocated, and 8
- * if some allocation for string copying failed.
+ * Returns:
+ * FORMADD_OK on success
+ * FORMADD_MEMORY if the FormInfo allocation fails
+ * FORMADD_OPTION_TWICE if one option is given twice for one Form
+ * FORMADD_NULL if a null pointer was given for a char
+ * FORMADD_MEMORY if the allocation of a FormInfo struct failed
+ * FORMADD_UNKNOWN_OPTION if an unknown option was used
+ * FORMADD_INCOMPLETE if the some FormInfo is not complete (or an error)
+ * FORMADD_MEMORY if a HttpPost struct cannot be allocated
+ * FORMADD_MEMORY if some allocation for string copying failed.
+ * FORMADD_ILLEGAL_ARRAY if an illegal option is used in an array
*
***************************************************************************/
+typedef enum {
+ FORMADD_OK, /* first, no error */
+
+ FORMADD_MEMORY,
+ FORMADD_OPTION_TWICE,
+ FORMADD_NULL,
+ FORMADD_UNKNOWN_OPTION,
+ FORMADD_INCOMPLETE,
+ FORMADD_ILLEGAL_ARRAY,
+
+ FORMADD_LAST /* last */
+} FORMcode;
+
static
-int FormAdd(struct HttpPost **httppost,
- struct HttpPost **last_post,
- va_list params)
+FORMcode FormAdd(struct HttpPost **httppost,
+ struct HttpPost **last_post,
+ va_list params)
{
- FormInfo *first_form_info, *current_form_info, *form_info;
- int return_value = 0;
+ FormInfo *first_form, *current_form, *form;
+ FORMcode return_value = FORMADD_OK;
const char *prevtype = NULL;
struct HttpPost *post = NULL;
- CURLformoption next_option;
+ CURLformoption option;
+ struct curl_forms *forms = NULL;
+ int array_index = 0;
+
+ /* 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;
- first_form_info = (FormInfo *)malloc(sizeof(struct FormInfo));
- if(first_form_info) {
- memset(first_form_info, 0, sizeof(FormInfo));
- current_form_info = first_form_info;
+ /*
+ * We need to allocate the first struct to fill in.
+ */
+ first_form = (FormInfo *)malloc(sizeof(struct FormInfo));
+ if(first_form) {
+ memset(first_form, 0, sizeof(FormInfo));
+ current_form = first_form;
}
else
- return 1;
+ return FORMADD_MEMORY;
- /** TODO: first check whether char * is not NULL
- TODO: transfer.c
- */
- while ( ((next_option = va_arg(params, CURLformoption)) != CURLFORM_END) &&
- (return_value == 0) )
- {
- switch (next_option)
- {
- case CURLFORM_PTRNAME:
- current_form_info->flags |= HTTPPOST_PTRNAME; /* fall through */
- case CURLFORM_COPYNAME:
- if (current_form_info->name)
- return_value = 2;
- else {
- if (next_option == CURLFORM_PTRNAME)
- current_form_info->name = va_arg(params, char *);
- else {
- char *name = va_arg(params, char *);
- if (name)
- current_form_info->name = name; /* store for the moment */
- else
- return_value = 3;
- }
+ /*
+ * Loop through all the options set.
+ */
+ while (1) {
+
+ /* break if we have an error to report */
+ if (return_value != FORMADD_OK)
+ break;
+
+ /* first see if we have more parts of the array param */
+ if ( array_state ) {
+ /* get the upcoming option from the given array */
+ option = forms[array_index++].option;
+ if (CURLFORM_END == option) {
+ /* end of array state */
+ array_state = FALSE;
+ continue;
+ }
+ else {
+ /* check that the option is OK in an array */
+
+ /* Daniel's note: do we really need to do this? */
+ if ( (option <= CURLFORM_ARRAY_START) ||
+ (option >= CURLFORM_ARRAY_END) ) {
+ return_value = FORMADD_ILLEGAL_ARRAY;
+ break;
}
+ }
+ }
+ else {
+ /* This is not array-state, get next option */
+ option = va_arg(params, CURLformoption);
+ if (CURLFORM_END == option)
break;
- case CURLFORM_NAMELENGTH:
- if (current_form_info->namelength)
- return_value = 2;
+ }
+
+ switch (option) {
+ case CURLFORM_ARRAY:
+ forms = va_arg(params, struct curl_forms *);
+ if (forms) {
+ array_state = TRUE;
+ array_index = 0;
+ }
+ else
+ return_value = FORMADD_NULL;
+ break;
+
+ /*
+ * Set the Name property.
+ */
+ case CURLFORM_PTRNAME:
+ current_form->flags |= HTTPPOST_PTRNAME; /* fall through */
+ case CURLFORM_COPYNAME:
+ if (current_form->name)
+ return_value = FORMADD_OPTION_TWICE;
+ else {
+ char *name = va_arg(params, char *);
+ if (name)
+ current_form->name = name; /* store for the moment */
else
- current_form_info->namelength = va_arg(params, long);
- break;
- case CURLFORM_PTRCONTENTS:
- current_form_info->flags |= HTTPPOST_PTRCONTENTS; /* fall through */
- case CURLFORM_COPYCONTENTS:
- if (current_form_info->value)
- return_value = 2;
- else {
- if (next_option == CURLFORM_PTRCONTENTS)
- current_form_info->value = va_arg(params, char *);
- else {
- char *value = va_arg(params, char *);
- if (value)
- current_form_info->value = value; /* store for the moment */
- else
- return_value = 3;
- }
+ return_value = FORMADD_NULL;
+ }
+ break;
+ case CURLFORM_NAMELENGTH:
+ if (current_form->namelength)
+ return_value = FORMADD_OPTION_TWICE;
+ else
+ current_form->namelength = 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 = FORMADD_OPTION_TWICE;
+ else {
+ char *value = va_arg(params, char *);
+ if (value)
+ current_form->value = value; /* store for the moment */
+ else
+ return_value = FORMADD_NULL;
+ }
+ break;
+ case CURLFORM_CONTENTSLENGTH:
+ if (current_form->contentslength)
+ return_value = FORMADD_OPTION_TWICE;
+ else
+ current_form->contentslength = va_arg(params, long);
+ break;
+
+ /* Get contents from a given file name */
+ case CURLFORM_FILECONTENT:
+ if (current_form->flags != 0)
+ return_value = FORMADD_OPTION_TWICE;
+ else {
+ char *filename = va_arg(params, char *);
+ if (filename) {
+ current_form->value = strdup(filename);
+ current_form->flags |= HTTPPOST_READFILE;
}
- break;
- case CURLFORM_CONTENTSLENGTH:
- if (current_form_info->contentslength)
- return_value = 2;
else
- current_form_info->contentslength = va_arg(params, long);
- break;
- case CURLFORM_FILE: {
- char *filename = va_arg(params, char *);
- if (current_form_info->value) {
- if (current_form_info->flags & HTTPPOST_FILENAME) {
- if (filename) {
- if (!(current_form_info = AddFormInfo (strdup(filename),
- NULL, current_form_info)))
- return_value = 4;
- }
- else
- return_value = 3;
+ return_value = FORMADD_NULL;
+ }
+ break;
+
+ /* We upload a file */
+ case CURLFORM_FILE:
+ {
+ const char *filename = NULL;
+ if (array_state)
+ filename = forms[array_index].value;
+ else
+ filename = va_arg(params, const char *);
+ if (current_form->value) {
+ if (current_form->flags & HTTPPOST_FILENAME) {
+ if (filename) {
+ if (!(current_form = AddFormInfo(strdup(filename),
+ NULL, current_form)))
+ return_value = FORMADD_MEMORY;
+ }
+ else
+ return_value = FORMADD_NULL;
}
else
- return_value = 2;
+ return_value = FORMADD_OPTION_TWICE;
}
else {
- if (filename)
- current_form_info->value = strdup(filename);
- else
- return_value = 3;
- current_form_info->flags |= HTTPPOST_FILENAME;
+ if (filename)
+ current_form->value = strdup(filename);
+ else
+ return_value = FORMADD_NULL;
+ current_form->flags |= HTTPPOST_FILENAME;
}
break;
}
- case CURLFORM_CONTENTTYPE: {
- char *contenttype = va_arg(params, char *);
- if (current_form_info->contenttype) {
- if (current_form_info->flags & HTTPPOST_FILENAME) {
+ case CURLFORM_CONTENTTYPE:
+ {
+ const char *contenttype = NULL;
+ if (array_state)
+ contenttype = forms[array_index].value;
+ else
+ contenttype = va_arg(params, const char *);
+ if (current_form->contenttype) {
+ if (current_form->flags & HTTPPOST_FILENAME) {
if (contenttype) {
- if (!(current_form_info = AddFormInfo (NULL,
- strdup(contenttype),
- current_form_info)))
- return_value = 4;
+ if (!(current_form = AddFormInfo(NULL,
+ strdup(contenttype),
+ current_form)))
+ return_value = FORMADD_MEMORY;
}
else
- return_value = 3;
+ return_value = FORMADD_NULL;
}
else
- return_value = 2;
+ return_value = FORMADD_OPTION_TWICE;
}
else {
if (contenttype)
- current_form_info->contenttype = strdup(contenttype);
+ current_form->contenttype = strdup(contenttype);
else
- return_value = 3;
+ return_value = FORMADD_NULL;
}
break;
}
- default:
- fprintf (stderr, "got unknown CURLFORM_OPTION: %d\n", next_option);
- return_value = 5;
- };
- };
-
- /* go through the list, check for copleteness and if everything is
- * alright add the HttpPost item otherwise set return_value accordingly */
- form_info = first_form_info;
- while (form_info != NULL)
- {
- if ( (!first_form_info->name) ||
- (!form_info->value) ||
- ( (!form_info->namelength) &&
- (form_info->flags & HTTPPOST_PTRNAME) ) ||
- ( (form_info->contentslength) &&
- (form_info->flags & HTTPPOST_FILENAME) ) ||
- ( (form_info->flags & HTTPPOST_FILENAME) &&
- (form_info->flags & HTTPPOST_PTRCONTENTS) )
- ) {
- return_value = 6;
- break;
+ default:
+ fprintf (stderr, "got unknown CURLFORM_OPTION: %d\n", option);
+ return_value = FORMADD_UNKNOWN_OPTION;
}
- else {
- if ( (form_info->flags & HTTPPOST_FILENAME) &&
- (!form_info->contenttype) ) {
- /* our contenttype is missing */
- form_info->contenttype
- = strdup(ContentTypeForFilename(form_info->value, prevtype));
- }
- if ( !(form_info->flags & HTTPPOST_PTRNAME) &&
- (form_info == first_form_info) ) {
- /* copy name (without strdup; possibly contains null characters) */
- if (AllocAndCopy(&form_info->name, form_info->namelength)) {
- return_value = 8;
- break;
- }
- }
- if ( !(form_info->flags & HTTPPOST_FILENAME) &&
- !(form_info->flags & HTTPPOST_PTRCONTENTS) ) {
- /* copy value (without strdup; possibly contains null characters) */
- if (AllocAndCopy(&form_info->value, form_info->contentslength)) {
- return_value = 8;
- break;
- }
+ }
+
+ if(FORMADD_OK == return_value) {
+ /* go through the list, check for copleteness and if everything is
+ * alright add the HttpPost item otherwise set return_value accordingly */
+ form = first_form;
+ while (form != NULL) {
+ if ( (!form->name) ||
+ (!form->value) ||
+ ( (form->contentslength) &&
+ (form->flags & HTTPPOST_FILENAME) ) ||
+ ( (form->flags & HTTPPOST_FILENAME) &&
+ (form->flags & HTTPPOST_PTRCONTENTS) ) ||
+ ( (form->flags & HTTPPOST_READFILE) &&
+ (form->flags & HTTPPOST_PTRCONTENTS) )
+ ) {
+ return_value = FORMADD_INCOMPLETE;
+ break;
}
- if ( (post = AddHttpPost (form_info->name, form_info->namelength,
- form_info->value, form_info->contentslength,
- form_info->contenttype, form_info->flags,
- post, httppost,
- last_post)) == NULL) {
- return_value = 7;
+ else {
+ if ( (form->flags & HTTPPOST_FILENAME) &&
+ !form->contenttype ) {
+ /* our contenttype is missing */
+ form->contenttype
+ = strdup(ContentTypeForFilename(form->value, prevtype));
+ }
+ if ( !(form->flags & HTTPPOST_PTRNAME) &&
+ (form == first_form) ) {
+ /* copy name (without strdup; possibly contains null characters) */
+ if (AllocAndCopy(&form->name, form->namelength)) {
+ return_value = FORMADD_MEMORY;
+ break;
+ }
+ }
+ if ( !(form->flags & HTTPPOST_FILENAME) &&
+ !(form->flags & HTTPPOST_READFILE) &&
+ !(form->flags & HTTPPOST_PTRCONTENTS) ) {
+ /* copy value (without strdup; possibly contains null characters) */
+ if (AllocAndCopy(&form->value, form->contentslength)) {
+ return_value = FORMADD_MEMORY;
+ break;
+ }
+ }
+ if ( (post = AddHttpPost(form->name, form->namelength,
+ form->value, form->contentslength,
+ form->contenttype, form->flags,
+ post, httppost,
+ last_post)) == NULL) {
+ return_value = FORMADD_MEMORY;
+ }
+ if (form->contenttype)
+ prevtype = form->contenttype;
}
- if (form_info->contenttype)
- prevtype = form_info->contenttype;
+ form = form->more;
}
- form_info = form_info->more;
- };
+ }
- /* and finally delete the allocated memory */
- form_info = first_form_info;
- while (form_info != NULL) {
- FormInfo *delete_form_info;
+ /* always delete the allocated memory before returning */
+ form = first_form;
+ while (form != NULL) {
+ FormInfo *delete_form;
- delete_form_info = form_info;
- form_info = form_info->more;
- free (delete_form_info);
- };
+ delete_form = form;
+ form = form->more;
+ free (delete_form);
+ }
return return_value;
}
@@ -1169,6 +1286,8 @@ int main()
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";
@@ -1190,6 +1309,7 @@ int main()
char buffer[4096];
struct HttpPost *httppost=NULL;
struct HttpPost *last_post=NULL;
+ struct curl_forms forms[4];
struct FormData *form;
struct Form formread;
@@ -1244,6 +1364,21 @@ int main()
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;
form=Curl_getFormData(httppost, &size);