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Check for sifficient flashsize before applying an update

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This commit is contained in:
feelfree69
2026-02-25 18:51:00 +01:00
parent e26a9e3db9
commit ffbd2c512d
4 changed files with 53 additions and 108 deletions
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httpd/httpd.c
+7
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@@ -27,6 +27,7 @@ extern __code uint8_t * __code hex;
extern __code struct f_data f_data[];
extern __code char * __code mime_strings[];
extern __xdata struct flash_region_t flash_region;
extern __xdata uint32_t flash_size;
// Flash buffer to optimize flash writing speed, write_len is the current filling position
extern __xdata uint8_t flash_buf[FLASH_BUF_SIZE];
@@ -426,6 +427,12 @@ void handle_post(void)
p += 4; // Skip \r\n\r\n sequence at end of preamble of part
if (is_word(request_path, "upload")) {
if (flash_size < FIRMWARE_UPLOAD_START*2)
{
print_string("Flash too small for firmware upload!\n");
send_bad_request();
return;
}
print_string("Firmware upload started.");
uptr = FIRMWARE_UPLOAD_START;
verify_crc = 1;