LIBETPAN_EXPORT
int mailmime_content_parse(const char * message, size_t length,
size_t * indx,
struct mailmime_content ** result)
{
size_t cur_token;
struct mailmime_type * type;
char * subtype;
clist * parameters_list;
struct mailmime_content * content;
int r;
int res;
cur_token = * indx;
mailimf_cfws_parse(message, length, &cur_token);
type = NULL;
r = mailmime_type_parse(message, length, &cur_token, &type);
if (r != MAILIMF_NO_ERROR) {
res = r;
goto err;
}
r = mailimf_unstrict_char_parse(message, length, &cur_token, '/');
switch (r) {
case MAILIMF_NO_ERROR:
r = mailimf_cfws_parse(message, length, &cur_token);
if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
res = r;
goto free_type;
}
r = mailmime_subtype_parse(message, length, &cur_token, &subtype);
if (r != MAILIMF_NO_ERROR) {
res = r;
goto free_type;
}
break;
case MAILIMF_ERROR_PARSE:
subtype = strdup("unknown");
break;
default:
res = r;
goto free_type;
}
parameters_list = clist_new();
if (parameters_list == NULL) {
res = MAILIMF_ERROR_MEMORY;
goto free_subtype;
}
while (1) {
size_t final_token;
struct mailmime_parameter * parameter;
final_token = cur_token;
r = mailimf_unstrict_char_parse(message, length, &cur_token, ';');
if (r != MAILIMF_NO_ERROR) {
cur_token = final_token;
break;
}
r = mailimf_cfws_parse(message, length, &cur_token);
if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
res = r;
goto free_type;
}
r = mailmime_parameter_parse(message, length, &cur_token, ¶meter);
if (r == MAILIMF_NO_ERROR) {
/* do nothing */
}
else if (r == MAILIMF_ERROR_PARSE) {
cur_token = final_token;
break;
}
else {
res = r;
goto err;
}
r = clist_append(parameters_list, parameter);
if (r < 0) {
mailmime_parameter_free(parameter);
res = MAILIMF_ERROR_MEMORY;
goto free_parameters;
}
}
content = mailmime_content_new(type, subtype, parameters_list);
if (content == NULL) {
res = MAILIMF_ERROR_MEMORY;
goto free_parameters;
}
* result = content;
* indx = cur_token;
return MAILIMF_NO_ERROR;
free_parameters:
clist_foreach(parameters_list, (clist_func) mailmime_parameter_free, NULL);
clist_free(parameters_list);
free_subtype:
mailmime_subtype_free(subtype);
free_type:
mailmime_type_free(type);
err:
return res;
}
static int
mailmime_disposition_parm_parse(const char * message, size_t length,
size_t * indx,
struct mailmime_disposition_parm **
result)
{
char * filename;
char * creation_date;
char * modification_date;
char * read_date;
size_t size;
struct mailmime_parameter * parameter;
size_t cur_token;
struct mailmime_disposition_parm * dsp_parm;
int type;
int guessed_type;
int r;
int res;
cur_token = * indx;
filename = NULL;
creation_date = NULL;
modification_date = NULL;
read_date = NULL;
size = 0;
parameter = NULL;
r = mailimf_cfws_parse(message, length, &cur_token);
if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
res = r;
goto err;
}
guessed_type = mailmime_disposition_guess_type(message, length, cur_token);
type = MAILMIME_DISPOSITION_PARM_PARAMETER;
switch (guessed_type) {
case MAILMIME_DISPOSITION_PARM_FILENAME:
r = mailmime_filename_parm_parse(message, length, &cur_token,
&filename);
if (r == MAILIMF_NO_ERROR)
type = guessed_type;
else if (r == MAILIMF_ERROR_PARSE) {
/* do nothing */
}
else {
res = r;
goto err;
}
break;
case MAILMIME_DISPOSITION_PARM_CREATION_DATE:
r = mailmime_creation_date_parm_parse(message, length, &cur_token,
&creation_date);
if (r == MAILIMF_NO_ERROR)
type = guessed_type;
else if (r == MAILIMF_ERROR_PARSE) {
/* do nothing */
}
else {
res = r;
goto err;
}
break;
case MAILMIME_DISPOSITION_PARM_MODIFICATION_DATE:
r = mailmime_modification_date_parm_parse(message, length, &cur_token,
&modification_date);
if (r == MAILIMF_NO_ERROR)
type = guessed_type;
else if (r == MAILIMF_ERROR_PARSE) {
/* do nothing */
}
else {
res = r;
goto err;
}
break;
case MAILMIME_DISPOSITION_PARM_READ_DATE:
r = mailmime_read_date_parm_parse(message, length, &cur_token,
&read_date);
if (r == MAILIMF_NO_ERROR)
type = guessed_type;
else if (r == MAILIMF_ERROR_PARSE) {
/* do nothing */
}
else {
res = r;
goto err;
}
break;
case MAILMIME_DISPOSITION_PARM_SIZE:
r = mailmime_size_parm_parse(message, length, &cur_token,
&size);
if (r == MAILIMF_NO_ERROR)
type = guessed_type;
else if (r == MAILIMF_ERROR_PARSE) {
/* do nothing */
}
else {
res = r;
goto err;
}
break;
}
if (type == MAILMIME_DISPOSITION_PARM_PARAMETER) {
r = mailmime_parameter_parse(message, length, &cur_token,
¶meter);
if (r != MAILIMF_NO_ERROR) {
type = guessed_type;
res = r;
goto err;
}
}
dsp_parm = mailmime_disposition_parm_new(type, filename, creation_date,
modification_date, read_date,
size, parameter);
if (dsp_parm == NULL) {
res = MAILIMF_ERROR_MEMORY;
goto free;
}
* result = dsp_parm;
* indx = cur_token;
return MAILIMF_NO_ERROR;
free:
if (filename != NULL)
mailmime_filename_parm_free(filename);
if (creation_date != NULL)
mailmime_creation_date_parm_free(creation_date);
if (modification_date != NULL)
mailmime_modification_date_parm_free(modification_date);
if (read_date != NULL)
mailmime_read_date_parm_free(read_date);
if (parameter != NULL)
mailmime_parameter_free(parameter);
err:
return res;
}
