ParserStatus parse_frame(in_cmd_t *cmd, plchar_t *payload, const frame_t frame)
{
int in_pos = 0;
int in_len = strlen(frame);
if (frame[in_pos++] != START_CHAR)
{
return PARSER_INVALID_START;
}
mk_address_t addr = addr_decode(frame[in_pos++]);
if (addr < 1 || addr > 3)
{
return PARSER_INVALID_ADDRESS;
}
in_cmd_t _cmd = MERGE_ADDR_CMD(addr, frame[in_pos++]);
if (!in_command_exists(_cmd))
{
return PARSER_INVALID_COMMAND;
}
const char *crc_chars = &frame[in_len - 3];
crc_t crc = calc_crc(frame, in_len - 3);
if (!crc_ok(crc, crc_chars))
{
return PARSER_INVALID_CRC; /* invalid crc */
}
(void)mb64_decode(payload, in_len - 6, &frame[in_pos]);
*cmd = _cmd;
return PARSER_NO_ERROR;
}
NEOERR* mimg_accept(CGI *cgi, char *form_name, char *imgroot,
char result[LEN_MD5], int *ftype)
{
unsigned char data[IMAGE_MD5_SIZE];
unsigned int bytes;
char tok[3] = {0};
NEOERR *err;
FILE *fp, *fpout;
char *s;
MCS_NOT_NULLC(cgi->hdf, imgroot, ftype);
/* TODO memory leak */
fp = mfile_get_safe_from_std(cgi_filehandle(cgi, form_name));
MCS_NOT_NULLA(fp);
s = mfile_get_type(cgi, form_name);
if (!s || strncmp(s, "image/", 6)) {
return nerr_raise(NERR_ASSERT, "file %s not image type", s);
}
s = s + 6;
*ftype = mimg_type_str2int(s);
memset(data, 0x0, sizeof(data));
fseek(fp, 0, SEEK_SET);
bytes = fread(data, 1, sizeof(data), fp);
if (bytes <= 0) return nerr_raise(NERR_IO, "read image file error %d ", bytes);
mstr_md5_buf(data, bytes, result);
strncpy(tok, result, 2);
err = mfile_openf(&fpout, "w+", "%s/%s/%s.%s",
imgroot, tok, result, mimg_type_int2str(*ftype));
if (err != STATUS_OK) return nerr_pass(err);
s = hdf_get_value(cgi->hdf, PRE_QUERY"._upfile_data_type", NULL);
if (s && !strcmp(s, "dataurl")) {
err = mb64_decode(fp, fpout);
if (err != STATUS_OK) return nerr_pass(err);
} else {
if (bytes < IMAGE_MD5_SIZE-10) {
fwrite(data, 1, bytes, fpout);
} else {
mfile_copy(fpout, fp);
}
}
fclose(fpout);
return STATUS_OK;
}
