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/*
Tomato Firmware
Copyright (C) 2006-2009 Jonathan Zarate
*/
#include "tomato.h"
#include <time.h>
#ifdef BLACKHOLE
void wi_blackhole(char *url, int len, char *boundary)
{
char buf[2048];
int size;
int n;
time_t tick;
int foo;
const char *error;
int blen;
FILE *f;
if (!post) {
send_header(200, NULL, mime_html, 0);
web_printf(
"<h1>Upload Test</h1>"
"<form method='post' action='blackhole.cgi?_http_id=%s' encType='multipart/form-data'>"
"<input type='file' name='file'><input type='submit'>"
"</form>",
nvram_safe_get("http_id"));
return;
}
check_id();
cprintf("\nblackhole\n");
cprintf("%s<\n", boundary);
if ((blen = strlen(boundary)) == 0) {
error = "no boundary";
ERROR:
cprintf("ERROR: %s\n", error);
web_eat(len);
send_header(200, NULL, mime_html, 0);
web_printf("ERROR: %s", error);
return;
}
if (blen > (sizeof(buf) - 32)) {
error = "boundary is too big";
goto ERROR;
}
// --b\r\n
// <data>\r\n
// --b--\r\n
if (len < ((blen * 2) + 12)) {
error = "not enough data";
goto ERROR;
}
foo = 1;
while (len > 0) {
if (!web_getline(buf, MIN(len, sizeof(buf)))) {
break;
}
n = strlen(buf);
len -= n;
if (n < 2) {
error = "n < 2";
goto ERROR;
}
if (buf[--n] != '\n') {
error = "\\n not found";
goto ERROR;
}
if (buf[--n] != '\r') {
error = "\\n without \\r";
goto ERROR;
}
if (n == 0) break;
buf[n] = 0;
cprintf("%s<\n", buf);
if (foo) {
if ((buf[0] != '-') || (buf[1] != '-') || (strcmp(buf + 2, boundary) != 0)) {
error = "boundary not found on first line";
goto ERROR;
}
foo = 0;
}
}
if (foo != 0) {
error = "boundary not found before reaching end of header";
goto ERROR;
}
blen += 6;
len -= (blen + 2);
if (len < 0) {
error = "not enough data for end boundary";
goto ERROR;
}
unlink("/tmp/blackhole");
/* if (len < (1*1024*1024)) f = fopen("/tmp/blackhole", "w");
else*/ f = NULL;
#if 0
// read half, trigger tcp reset
len >>= 1;
#endif
size = len;
tick = time(0);
while (len > 0) {
if ((n = web_read(buf, MIN(len, sizeof(buf)))) <= 0) {
break;
}
if (f) fwrite(buf, n, 1, f);
len -= n;
}
tick = time(0) - tick;
if (f) fclose(f);
if (len > 0) {
error = "not all data was read";
goto ERROR;
}
if (web_read(buf, blen) != blen) {
error = "error while reading end boundary";
goto ERROR;
}
buf[blen] = 0;
cprintf(">>%s<<\n", buf);
if ((strncmp(buf, "\r\n--", 4) != 0) ||
(buf[blen - 1] != '-') || (buf[blen - 2] != '-')
|| (strncmp(buf + 4, boundary, blen - 6) != 0)) {
error = "end boundary not found";
goto ERROR;
}
len += 2;
if (len > 0) {
if ((n = web_read(buf, MIN(len, sizeof(buf) - 1))) > 0) {
len -= n;
buf[n] = 0;
cprintf("last >>%s<<\n", buf);
}
}
web_eat(len);
cprintf("len=%d\n", len);
if (tick > 0) n = size / tick;
else n = 0;
send_header(200, NULL, mime_html, 0);
web_printf(
"<pre>"
"Size .......: %d bytes\n"
"Time .......: %d seconds\n"
"Speed ......: %.2f kb/s | %.2f mb/s | %.2f KB/s | %.2f MB/s\n",
size,
tick,
n / 128.0, n / 131072.0,
n / 1024.0, n / 1048576.0);
if (f) {
web_pipecmd("md5sum /tmp/blackhole", WOF_NONE);
}
web_puts("</pre>");
cprintf("done...\n");
}
#endif
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