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add GET /api/flash/<hexstart>-<hexend> to read any part of flash

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e.g. http://192.168.1.176/api/flash/1e0000-1000
reads RF setup table
add POST /api/flash/<hex addr> to WRITE anywhere after 0x132000
This commit is contained in:
btsimonh
2022-02-17 07:57:52 +00:00
parent f309859cc8
commit 9090951f40
1 changed files with 47 additions and 6 deletions
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53
src/httpserver/rest_interface.c
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@ -39,6 +39,8 @@ static int http_favicon(http_request_t *request);
static int http_rest_post_reboot(http_request_t *request);
static int http_rest_post_flash(http_request_t *request, int startaddr);
static int http_rest_get_flash(http_request_t *request, int startaddr, int len);
static int http_rest_get_flash_advanced(http_request_t *request);
static int http_rest_post_flash_advanced(http_request_t *request);
static int http_rest_get_info(http_request_t *request);
@ -319,6 +321,11 @@ static int http_rest_get(http_request_t *request){
return http_rest_get_info(request);
}
if (!strncmp(request->url, "api/flash/", 10)){
return http_rest_get_flash_advanced(request);
}
if (!strcmp(request->url, "api/dumpconfig")){
return http_rest_get_dumpconfig(request);
}
@ -527,6 +534,10 @@ static int http_rest_post(http_request_t *request){
if (!strcmp(request->url, "api/ota")){
return http_rest_post_flash(request, 0x132000);
}
if (!strncmp(request->url, "api/flash/", 10)){
return http_rest_get_flash_advanced(request);
}
#ifdef BK_LITTLEFS
if (!strcmp(request->url, "api/fsblock")){
return http_rest_post_flash(request, LFS_BLOCKS_START);
@ -645,6 +656,14 @@ static int http_rest_post_pins(http_request_t *request){
return 0;
}
static int http_rest_error(http_request_t *request, int code, char *msg){
request->responseCode = HTTP_RESPONSE_SERVER_ERROR;
http_setup(request, httpMimeTypeJson);
hprintf128(request, "{\"error\":%d, \"msg\"=\"%s\"}", code, msg);
poststr(request,NULL);
return 0;
}
static int http_rest_post_flash(http_request_t *request, int startaddr){
int total = 0;
@ -663,12 +682,9 @@ static int http_rest_post_flash(http_request_t *request, int startaddr){
towrite = request->contentLength;
}
if (writelen < 0){
if (writelen < 0 || (startaddr + writelen > 0x200000)){
ADDLOG_DEBUG(LOG_FEATURE_API, "ABORTED: %d bytes to write", writelen);
request->responseCode = HTTP_RESPONSE_SERVER_ERROR;
http_setup(request, httpMimeTypeJson);
hprintf128(request, "{\"error\":%d}", -20);
goto exit;
return http_rest_error(request, -20, "writelen < 0 or end > 0x200000");
}
do {
@ -689,7 +705,6 @@ static int http_rest_post_flash(http_request_t *request, int startaddr){
hprintf128(request, "{\"size\":%d}", total);
close_ota();
exit:
poststr(request,NULL);
return 0;
}
@ -703,11 +718,37 @@ static int http_rest_post_reboot(http_request_t *request){
return 0;
}
static int http_rest_get_flash_advanced(http_request_t *request){
char *params = request->url + 10;
int startaddr = 0;
int len = 0;
int sres;
sres = sscanf(params, "%x-%x", &startaddr, &len);
if (sres == 2) {
return http_rest_get_flash(request, startaddr, len);
}
return http_rest_error(request, -1, "invalid url");
}
static int http_rest_post_flash_advanced(http_request_t *request){
char *params = request->url + 10;
int startaddr = 0;
int sres;
sres = sscanf(params, "%x", &startaddr);
if (sres == 1 && startaddr >= 0x132000){
return http_rest_post_flash(request, startaddr);
}
return http_rest_error(request, -1, "invalid url");
}
static int http_rest_get_flash(http_request_t *request, int startaddr, int len){
char *buffer;
int res;
if (startaddr < 0 || (startaddr + len > 0x200000)){
return http_rest_error(request, -1, "requested flash read out of range");
}
buffer = os_malloc(1024);
http_setup(request, httpMimeTypeBinary);